Its a bit like experiencing a flight delay at the airport: you can fly dozens of times successfully, but the one that was horrifically delayed or cancelled is the one that sticks out in most peoples minds. The most important tributaries in this region are the Pisuerga, passing through Valladolid, and the Esla, which passes through Zamora. The premier times to visit the Douro are in springtime, May and June, and then again during harvest season -- in fall months of September and October. The only motorcoaches you may see on the twisting winding roads are those from your own ship, though the river is getting busier as more river lines add ships. Speaking of water in the Douro, here is a question I've been meaning to ask someone from Porto . While we havent been delayed or inconvenienced on the Douro (other than one very wet, damp mid-March sailing), but we have experienced both high and low water events on all stretches of the Danube, the Rhine, the Main, and even the Mekong, which was swollen to an unbelievable height during a cruise a few years back that resulted in messy disembarkations at every port of call. The Dom Luis Bridge, which you can cross by tram, car or on foot on either upper or lower levels, was designed by a disciple of Gustave Eiffel. What's also fun is simply wandering around the waterfront and checking out less well-known tasting houses. [5] At Douro's mouth at Porto, the second largest city of Portugal, the river meets the Atlantic Ocean. m stands for meter (water level) Edited: 8 years ago. Note: this root is not linked by the linguists to the Proto-Celtic word *dubros 'water' which explains the river and place names Douvres in France, Dover in England and the Celtic common words: Old Irish dobur > Irish dobhar 'water', Welsh d(f)r (the /f/ being a trace of a former /b/), Cornish dur, Breton dour, the loss of /b/ being typical of Brythonic. Scientists and conservationists highlighted the threats to freshwater biodiversity stemming from hydropower dams and obstacles in the Douro river. My Bookings. Yes, the river levels are a bit low, but I never heard on the news that the Douro river can't be used by boats. The average water temperature in Porto (Rio Douro) today is -. Fortunately, the, You wont find any Douro valley cruises that travel in. Douro_eng. Sheep rearing is also still important. To mitigate issues, Viking runs sister ships sailing the same itinerary, but in opposite directions. . Having been on the Douro in early April during a period of higher-than-average water levels that prevented river cruise vessels from sailing for a short period, one thing passengers repeatedly . To give you an idea of the range of waves to expect at a given time, we consider the. Thus, river cruise ships have a very narrow margin in which to operate; a sweet spot where the water isnt so low that the hull touches bottom, and not so high that bridges and overhead obstructions become impassable. One of the longest rivers of the Iberian . They write new content and verify and edit content received from contributors. If things are bad enough (like during the once-in-a-century flooding that occurred along the Danube in 2013), your river cruise might turn into a bus trip as the cruise line attempts to do its best to hit all the major sights and attractions along the way. 747 reviews. Private Douro River Sailing Cruise 49 Recommended Day Cruises from C$187.45 per adult (price varies by group size) 3-hour Port and Douro Wines Tasting Tour With 10 Tastings 126 Recommended Private and Luxury from C$57.47 per adult Porto: Morning City Tour with Six Bridges Cruise and Lunch 5 Bus Tours from C$94.31 per adult Today Saturday, 4th of March of 2023, the sun rose in Porto (Rio Douro) at 7:04:12 h and sunset will be at 18:28:13 h. In the high tide and low tide chart, we can see that the first high tide was at 1:30 h and the next high tide will be at 13:57 h. The first low tide was at 8:12 h and the next low tide will be at 20:17 h. Today we have 11 hours and 24 minutes of sun. The Douro has some help, though, in avoiding water level-related snafus. Lines sailing this Portuguese-Spanish waterway include AmaWaterways, APT, A-ROSA, CroisiEurope, Scenic, Uniworld, Viking . Speaking of water in the Douro, here is a question I've been meaning to ask someone from (ta && ta.queueForLoad ? The convention superseded an agreement on the Douro, signed in 1927, that was expanded in 1964 and 1968 to include tributaries. Since the 1930s the Douro has been harnessed extensively for hydroelectric power and irrigation. These studies (some in Portuguese, some in English) and presentations (in Portuguese) can be found on the Douro Vivo Network website: The Douro Vivo Network is led by GEOTA in partnership with International Union for Conservation of Nature Center for Mediterranean Cooperation, Wetlands International Europe, WWF Portugal, and the Inducar Network. CroisiEurope, Scenic, Viking, Uniworld and Emerald fully own and operate their ships. If you are a resident of another country or region, please select the appropriate version of Tripadvisor for your country or region in the drop-down menu. on Facebook, Wetlands International European Association, Generally, when high/low water levels hit the Douro, three options are available to cruise lines: Continue the affected itinerary by having guests 'swap ships' - typically, being bussed from one town to the next, where you will embark a sister . While the 2017 season was abnormally large, hot and dry summers create all the necessary conditions for potentially devastating wildfires. Very enjoyable cruise to see and the Douro Valley, where wine and port are made. However (after booking the trip with our helpful receptionist) we were called the night before to be told the trip would not be happening. We can sympathize; after all, if we liked coach tours, wed call our site. The length of time the moon will be visible is 14 hours and 32 minutes. Please refer to the appropriate style manual or other sources if you have any questions. I can't locate any news regarding these issues. Got through the first dam and then halted. The good news? No one knew it was a problem until our departure. In general, this behavior varies for each species and place, so we can not specify an ideal water temperature, however as a general rule we will try to avoid the temperatures abnormally cold in summer and too warm in winter. Typically, seven or 10-night trips begin with land tours in Lisbon before passengers are transported by motorcoach to their ships. (and has been for the last 20 years) We arrived in Lisbon and then received an Email notice from Viking that they were experiencing river problems and were sorry. In almost all cases, water levels are so fickle that they can change by the hour. "My feeling is this was a unique year. The region around Pinho and So Joo da Pesqueira is considered to be the centre of port, with its quintas (or farms/estates) that extend along the steep slopes of the river valleys. Visits to a range of quintas, the Portuguese term for wineries, mostly focus on the region's famed port wines, but the winemakers in the Douro region also produce beautiful reds and whites. The cable car station is also on this side of the river -- if you don't fancy or can't manage the walk up to the top of town this is a lovely and reasonably priced (nine euros return) option, which affords fantastic views -- and even a free glass of port! Booked an all-day cruise up to the wine estates and then back by train - started well, average continental breakfast. The Douro's last five dams are in Portugal, and allow for navigation: Pocinho, Valeira, Rgua, Carrapatelo, and CrestumaLever dams. The good news is the scenery is just gorgeous and varies throughout the region, so there's a lot to look at. Helping you make informed cruise decisions. Your email address will not be published. on Twitter Well-traveled and insightful. Enclose phrases in quotes. Pinhao: Most of your time docked in Pinhao, part of the gorgeous Vila Real district, will be spent on excursions to places like Quintana do Seixo (part of the mighty Sandemans conglomerate) to taste port and learn how it was made. Mid-July through August is another good time for snagging deals; the region can be very hot then. While it isnt discussed as often as water levels on the Danube and the Rhine, high and low water levels can affect your river cruise along Portugals Douro River though its admittedly not quite as susceptible to these events as other European waterways. Mid-August is the hottest time of the year, with highs of 85.3F (29.6C) and lows around 59.6F (15.3C) rarely falling below this range. I believe the choice should be based on weather and the views, considering that I suggest: May to July - warm weather not too much and the landscapes are colorful. One of the benefits of a mostly rural itinerary is that you're not cruising through industrial regions. These events are inconvenient, but it is important to remember that they arent all that likely to happen, and certainly not all the time. Also hilly as it rises off the river, this area is best known for the port houses that stud its mountainside. For up to date GENERAL overview of water levels in Europe please visit http://riverinfo.eu/ Teeming River Cruises and our offered cruises do not give full or partial refunds for cancellations due to water levels or other bad weather issues. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. In Portugal, the Douro flows through the districts of Bragana, Guarda, Viseu, Vila Real, Aveiro and Porto. It is rising in the Sierra de Urbin, N central Spain. Be sure to take a jacketthe journey can get cool if you're on the deck of the boat & the train has air-con on all the time. Use a + to require a term in results and - to exclude terms. Lines sailing this Portuguese-Spanish waterway include AmaWaterways, APT, A-ROSA, CroisiEurope, Scenic, Uniworld, Viking River Cruises and Emerald Waterways. water level made us too high to clear a bridge, From Amsterdam To Paris On An Avalon Waterways Active Discovery Cruise, 10 Ways River Cruising May Surprise and Delight You, Scandinavia and Northern Europe Cruise Reviews. 2. Example: +water -Europe The city of Porto and the Douro River Sherry boats on the Douro River, Porto Portrait of Portugal: Lisbon, Porto and Cruising the Douro River Aboard the 132-guest Amalia Rodriguez 12 days from $5,490 Delve into the Age of Discovery on our exciting river and land journey to Portugal. The tiny town of Pinhao, lying at the heart of Douro's wine country, reminds you of a cross between California's Napa Valley and Italy's Tuscany (only far less touristy). So what can you do when water levels threaten to scuttle your river cruise? The latter includes wine producing areas such as the Ribera del Duero DOP. The first two charts have "height (m)" on the left. Her ideal travel day: venturing to a new place, learning something interesting and sharing a smile. Scenic cruising: Because sailing takes place during the day, several mornings and afternoons are spent on the river. At a press conference on July 23rd, the Douro Vivo Network launched seven studies providing new information on the Douro river basin ecosystem. Tributaries here are small, merging into the Douro along the canyons; the most important are Ca, Tua, Sabor, Corgo, Tavora, Paiva, Tmega, and Sousa. The most populous cities along the Douro River are Valladolid and Zamora in Spain, and Porto and Vila Nova de Gaia in Portugal. It is a nice escape on a warm day. I believe the choice should be based on weather and the views, considering that I suggest: May to July - warm weather not too much and the landscapes are colorful. Rising in the Sierra de Urbin in Spain, the river crosses the Numantian Plateau in a pronounced bend and flows generally westward for 556 miles (895 km) across Spain and northern Portugal to the Atlantic Ocean . The reason for this was as there had been so much rain, the dam in Spain was full and head waters had to be released - this making the river unsafe for such trips. This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. On August 5, authorities reported that water levels on the river have fallen to just 56 centimetres (22 inches) -- so low that cargo ships plying the Rhine are being forced to sail nearly. This topic has been closed to new posts due to inactivity. While there's plenty to do, one oddity of the Douro experience is that there's no night navigation, so ships must cruise from sunrise to sunset. Most of the attractions are well off the river, requiring motorcoach transportation that averaged about 45 minutes per place. Floods upriver meant that it was too dangerous to proceed so our day trip became a coach trip back to Porto after lunch on board. If you are a resident of another country or region, please select the appropriate version of Tripadvisor for your country or region in the drop-down menu. Other major houses include Taylor's, Ferreira, Sandeman and Calem. Consequently, even a small change or break will cause fish to move from one location to another. 7 years ago. BUT the BMW is a car and the VW is a car so we actually delivered on our contract. We safeguard and restore wetlands for people and nature. In Porto and in Salamanca, where the primary languages are Portuguese and Spanish, respectively, English-speakers can get around well enough. On a somewhat smaller but no less enchanting scale, the city's Clerigos district is home to one of the world's most famous bookstores. Fish want to stay comfortable. Saving the best for last, the Plaza Major, the heart of Salamanca, is an 18th-century square, completely surrounded by golden limestone buildings and ringed with alfresco cafes. What problem?? We are booked to cruise the Duoro late June and hope the levels will have subsided by then. Does anybody buy into that theory?This was our fifth time with Viking, the others were very pleasant. The motorcoaches are new, clean and comfortable (with bathrooms onboard, if necessary). Private Douro River Sailing Cruise 49 Recommended Day Cruises from $137.68 per adult (price varies by group size) 3-hour Port and Douro Wines Tasting Tour With 10 Tastings 126 Recommended Private and Luxury from $42.21 per adult Porto: Morning City Tour with Six Bridges Cruise and Lunch 5 Bus Tours from $69.27 per adult River cruise lines will typically attempt to keep your itinerary as operational as possible. Here are a few things you should know about taking any river cruise, not just one operating along the Douro: Chances are good that your Douro river cruise will proceed exactly as expected but there are some things that are good to know about these water-related events, and what to do should one arise. While every effort has been made to follow citation style rules, there may be some discrepancies. The drought is mainly on south of Portugal, albeit it hit all country. These reaches of the Douro have a microclimate[specify] allowing for cultivation of olives, almonds, and especially grapes, which are important for making port. Cruise Specialists Voyage Hosts reporting on their round the world journeys. The day ends with a tidal coefficient of 73. For the municipality in the Philippines, see, The American Heritage Dictionary of the English Language, "The Esla River Basin: From the Cantabrian Mountain to the Duero", "Spanish-Portuguese Albufeira Convention", "Hydrological response of Mediterranean headwaters to climate oscillations and land-cover changes: The mountains of Duero River basin (Central Spain)", IPTM Instituto Porturio e dos Transportes Martimos, Delegao do Norte e Douro, https://en.wikipedia.org/w/index.php?title=Douro&oldid=1142166763, Articles containing Spanish-language text, Articles containing Portuguese-language text, Articles containing Proto-Celtic-language text, Articles needing more detailed references, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 28 February 2023, at 21:54. ta.queueForLoad : function(f, g){document.addEventListener('DOMContentLoaded', f);})(function(){ta.trackEventOnPage('postLinkInline', 'impression', 'postLinks-49035074', '');}, 'log_autolink_impression');cruise the Duoro late June and hope the levels will have subsided by then. The Douro (UK: /dro, dru/, US: /dru, dro, doru/,[1][2][3][4] Portuguese:[do(w)u]; Spanish: Duero [dweo]; Latin: Durius) is the highest-flow river of the Iberian Peninsula. None of these small, fast-flowing rivers is navigable. Corrections? The moon set at 6:00 h at 302 northwest. The Douro (UK: / d r o, d r u /, US: / d r u, d r o, d o r u /, Portuguese: ; Spanish: Duero; Latin: Durius) is the highest-flow river of the Iberian Peninsula.It rises near Duruelo de la Sierra in the Spanish province of Soria, meanders south briefly then flows generally west through the northern part of the Meseta Central in Castile and Len into . If youre curious about Douro River cruises, heres everything you need to know. These changes are frustrating for travellers, many of whom only learn that there is a problem with their river cruise after arriving in Europe, ready to start their holiday. Some cruises spend overnights there, giving you time to explore the waterfront. Moreover, they shared approaches to restore and . The waters of Pocinho lake reach 125 metres (410ft) above sea level. All images are copyrighted to their respectful owners and we make every effort to credit photographers. About 14% of waves will be higher than the significant wave height (about 1 in every 7 waves). The highest lock, at Carrapatelo Dam, has a maximum lift of 35 metres (115ft). This topic has been closed to new posts due to inactivity. [6] The meaning of this element is however unknown. On the Douro, this option is really only open to companies like CroisiEurope and Viking River Cruises that operate more than one vessel in the region. To improve the knowledge on the impacts of existing dams (including the Portuguese Large Dam Program) and projected new dams, the Douro Vivo Network studied the cumulative impacts of hydropower on ecosystems and livelihoods. If in difficulty, those with swimming pools on board can empty them. 55 helpful votes 1. But note: It has become so popular that they charge to get in, and if don't want to wait in line for an hour, buy your tickets online and get there early. Considering Tagging Extra Days onto Your Vacation to Explore Porto, Madrid or Lisbon. On another instance, on a Christmas Markets river cruise through Germany, thewater level made us too high to clear a bridgeblocking our path by mere inches. more, You seem to have JavaScript disabled. Call 1.406.541.2677 Start Planning My Trip If things are bad enough (like during the once-in-a-century flooding that occurred along the Danube in 2013), your river cruise might turn into a bus trip as the cruise line attempts to do its best to hit all the major sights and attractions along the way. Rising in the Sierra de Urbin in Spain, the river crosses the Numantian Plateau in a pronounced bend and flows generally westward for 556 miles (895 km) across Spain and northern Portugal to the Atlantic Ocean at Foz do Douro. There are lots of options for tasting port in Gaia. What types of tides are there and how do they influence sport fishing? This is the version of our website addressed to speakers of English in Canada. 3. Please, use with caution. The Gothic-esque, multi-story Livraria Lello was the inspiration for J.K. Rowling's Harry Potter series. "It's hard to say that [what happened in 2018] had to do with global warming," said AmaWaterways' Schreiner, who has followed river water levels in Europe closely for nearly three decades. The portuguese name it's "Tainha", no idea about the english name. This usually involves putting guests up in hotels on the cruise lines dime and arranging for coach transportation and guides that werent originally needed. and in Italy Dora, etc. Get expert advice, insider tips and more. This was also our last trip with Viking. A small tributary of the river has the Ca Valley Paleolithic Art site which is considered important to the archaeological pre-historic patrimony, designated a UNESCO World Heritage Site. Alternatively, you may use. The Water Level is defined as the height, in meters above the geoid, of the reflecting surface of continental water bodies. Porto, Portugal's second-largest city, has some 2,000 years of history behind it. This is the version of our website addressed to speakers of English in the United States. This enables operators to use motorcoaches to complete the itinerary as scheduled, while still allowing guests to continue to use their floating accommodations each evening. Nowadays port is transported there in tanker trucks. Consider this, too: this could have been one of several sailings that the crew has had to deal with so far this season. These peak periods are reflected in green. Within Spain, it flows through the middle of the autonomous community of Castile and Len, with the basin spanning through the northern half of the Meseta Central. You'll also likely visit Mateus Palace, known for its gorgeous gardens. July, August, and September are the three warmest months, respectively. 1470 Birchview Rd , Douro Dummer, ON K0L2H is a single-family home listed for-sale at $839,000. Also aiding Douro river cruises in proceeding as scheduled is the fact that many ports of call are positioned geographically close to one another. See ourfeatured river cruise sailings >>, Talk with Teresa Skeim who has over 30 years experience for more ideas planning your trip >>. Furthermore, the creation of Fluvial Nature Reserves should strengthen the legal protection of the Douros biodiverse natural sanctuaries. Onone memorable sailing down the Danube, we only found out halfway through our voyage that the passage from Nuremberg to Passau was impossible; wed have to swap-ships (more on that later) to complete our journey. TIDES4FISHING | HIGH TIDES AND LOW TIDES IN PORTO (RIO DOURO) | 4 MARCH 2023, TIDES4FISHING | TIDAL RANGE IN PORTO (RIO DOURO) | 4 MARCH 2023, TIDES4FISHING | PROGRESSION OF THE TIDAL COEFFICIENT | MARCH 2023, You can change the time format and the default unit for height in the. Beginning at the headwaters, the first five dams are in Spain: Cuerda del Pozo, Los Rbanos, San Jos, Villalcampo and Castro Dams. This was one of the best things we did on our trip and we'd recommend it to anyone. However, we were already in Lisbon before receiving this notice and therefore could not exercise our option to cancel under the terms of our insurance and get our money back. [11] The Douro River basin encompasses an area of approximately 97,290 square kilometres.[12]. A folk-etymological derivation suggests that the name comes from the Portuguese or Spanish for "golden".[7][8]. That's devastatingly low - at 40 centimeters, commercial shipping becomes unprofitable. We are fully committed to low impact travel that not only preserves but gives back to the amazing places we visit. All in all, a Douro River cruise comprises so many small discoveries, small pleasures and such a generous amount of time sailing on a riverboat that you'll be lulled into a relaxing rhythm that's far away from frantic sightseeing and over-scheduled days. This article was most recently revised and updated by, https://www.britannica.com/place/Douro-River. Cruises on this Portuguese and Spanish waterway stretch from Porto on the Atlantic Ocean, all the way east into Spain's Vega de Terron (essentially a docking station where passengers head to the gorgeous golden city of Salamanca). Some of the places in which you'll dock are actually nothing much but piers with access to a place to board the motorcoaches. Generally, when high/low water levels hit the Douro, three options are available to cruise lines: One of the less-mentioned issues facing Douro river cruises is fire. At noon the tidal coefficient increases to 69. Let us know if you have suggestions to improve this article (requires login). In some cases, ships are operated by DouroAzul, a Portugal-based company that owns much of the region's cruising infrastructure, from docking facilities to a fleet of river ships. I am concerned about water levels. I believe the choice should be based on weather and the views, considering that I . In 1998, Portugal and Spain signed the Albufeira Convention, an agreement on the sharing of trans-boundary rivers to include the Douro, Tagus and Guadiana. Unlike ocean cruises, river cruises operate in the margins. Wetlands International Europes role in the Network is to help achieve enhanced conservation, rehabilitation and sustainable use of the river Douro through lobby and advocacy at EU level and by facilitating transboundary cooperation in the basin. Be aware that it can be a lot cooler on the water so take a sweater or something like that with you. On this sailing adventure, you'll set off down the Douro River, taking in beautiful scenery and the sights of Porto and Vila Nova de Gaia from the water. Climate varies; Porto can be cool, due to its location right off the Atlantic, but the further inland you travel, the warmer it gets. The city, home to about 230,000 residents, is also known for its historic Old and New cathedrals (Renaissance and Gothic, respectively), which sit side by side. Moreover, they shared approaches to restore and protect this natural hotspot. the water level in Douro river is controlled, so between winter and summer time there's no much difference, but of course winter months the level is slightly over the year average. Low bridges, power lines, and other navigational obstacles restrict the height of a vessel. I looked it up; we call them grey mullet (not to be confused with my hair style). Any idea what kind of fish those might be? Passengers booked on upcoming Rhine and Danube river cruises should monitor their email for updates from travel advisors or the cruise lines themselves, and keep an eye on the weather forecasts.. Each company does have input into their own operations, whether it's menus, tours or onboard ambience. Itineraries vary very little between cruise lines. Answer 1 of 7: Wondering if any locals can provide insight into the extreme water levels of the Duoro River that are causing river cruises to be cancelled. +31 (0) 318 660 910, [emailprotected] Unseasonably heavy rainfall in April and September a few years ago resulted in itinerary changes and modifications, most of which were conducted by utilizing motorcoaches to complete the journey. Unannounced releases of water from upstream Spanish dams occasionally causes navigation issues in these locks. This is considered important to the archaeological pre-historic patrimony, and it has been designated as a UNESCO World Heritage Site. 580 helpful votes. Vila Nova de Gaia: This city lies across the Douro from Porto, and it's where ships dock. TIDES4FISHING | RISING AND SETTING OF THE MOON IN PORTO (RIO DOURO) | 4 MARCH 2023, The effects of the sun and the moon influence the activity of all living creatures on earth, TIDES4FISHING | SOLUNAR CHARTS FOR PORTO (RIO DOURO) | 4 MARCH 2023, TIDES4FISHING | MOON PHASE | 4 MARCH 2023, 9:33, Calendar of Lunar Phases and Eclipses for the next 2000 years, TIDES4FISHING | UPCOMING MOON PHASES | MARCH 2023, TIDES4FISHING | ASTRONOMICAL OBSERVATION | 4 MARCH 2023, TIDES4FISHING | LIGHTING THE EARTH IN THIS MOMENT | 4 MARCH 2023, 9:33, TIDES4FISHING | FISHING SITES CLOSE TO PORTO (RIO DOURO), Plan now and enjoy your activities at sea with the tides4fishing app, Enjoy to the max a well-planned fishing expedition in Porto (Rio Douro). (Tours often leave one dock in the morning and return for lunch at another as the ship moves from place to place.) There are five locks positioned along its length that help ships transit to other levels and control the flow of the water downstream, aided by the regions climate that tends to be dry and hot for the summer months. In the last decade, Douro River cruises have become increasingly popular. Try to put yourself in their shoes as much as possible. Still, be prepared, as the most interesting places to visit are not accessed by simply walking off the gangway. Omissions? We are booked to cruise the Duoro late June and hope the levels will have subsided by then. The Douro railway line (Linha do Douro) was completed in 1887; it connects Porto, Rio Tinto, Ermesinde, Valongo, Paredes, Penafiel, Livrao, Marco de Canaveses, Rgua, Tua and Pocinho. While it's best known for the production of port wine (wine that's fortified with the addition of brandy), it's also a bustling, cosmopolitan metropolis. In its Spanish section, the Douro crosses the great Castilian meseta and meanders through five provinces of the autonomous community of Castile and Len: Soria, Burgos, Valladolid, Zamora, and Salamanca, passing through the towns of Soria, Almazn, Aranda de Duero, Tordesillas, and Zamora. Research the Douro Rivers Weather & Dress for the Occasion. The Douro fully enters Portuguese territory just after the confluence with the gueda River; once the Douro enters Portugal, major population centres are less frequent along the river. Alternate titles: Durius River, Ro Duero, Rio Douro. Porto. Explore more travel destination possibilities and experience the world first hand. Its most plentiful tributary (carrying a larger discharge than the Douro at their meeting) is the right-bank Esla river. View more property details, sales history and Zestimate data on Zillow.