- 1. Which major Portuguese town is located at the mouth of the Douro River?
A) Porto
B) Bragança
C) Viseu
D) Lisbon
- 2. What type of climate allows for the cultivation of olives, almonds, and grapes in Douro?
A) Tropical climate
B) Mesoclimate
C) Macroclimate
D) Microclimate
- 3. What UNESCO World Heritage Site status does Porto's historic centre hold?
A) Designated as a UNESCO World Heritage Site
B) Proposed for UNESCO listing
C) Not designated as a UNESCO site
D) Removed from UNESCO list
- 4. Which town is close to the Côa Valley Paleolithic Art site?
A) Vila Nova de Gaia
B) Foz Côa
C) Peso da Régua
D) Lamego
- 5. How many dams are located in Spain on the Douro River?
A) Seven
B) Ten
C) Three
D) Five
- 6. Which dam has the highest lock with a maximum lift of 35 meters?
A) Pocinho Dam
B) Valeira Dam
C) Carrapatelo Dam
D) Régua Dam
- 7. What is the maximum length allowed for vessels passing through the Douro's locks?
A) 100 meters
B) 75 meters
C) 90 meters
D) 83 meters
- 8. Which Portuguese district does not have a section of the Douro flowing through it?
A) Bragança
B) Guarda
C) Lisbon
D) Viseu
- 9. What is one reason for building dams on the Douro River?
A) For irrigation purposes only
B) For flood control in Spain
C) To create artificial lakes
D) To generate hydroelectric power
- 10. Which two Portuguese towns are known for being major Douro River towns?
A) Vila Nova de Gaia and Porto
B) Peso da Régua and Lamego
C) Aveiro and Porto
D) Bragança and Viseu
- 11. Which year was the Douro railway line completed?
A) 1923
B) 1887
C) 1878
D) 1905
- 12. What is a common issue caused by unannounced releases of water from upstream Spanish dams?
A) Navigation issues in the locks
B) Flooding in Porto
C) Damage to vineyards
D) Reduced hydroelectric power generation
- 13. Which city is not a populous Douro River city?
A) Soria
B) Valladolid
C) Zamora
D) Porto
- 14. In which country does the Douro River rise?
A) Portugal
B) Spain
C) Italy
D) France
- 15. What is the largest tributary of the Douro River by water volume at their confluence?
A) Tâmega
B) Sabor
C) Paiva
D) Esla
- 16. What type of wine is famously produced in the Douro Valley?
A) Sherry
B) Rioja
C) Port
D) Malaga
- 17. What is the Latin name of the Douro River?
A) Anas
B) Tagus
C) Iberus
D) Durius
- 18. In which century might part of the Douro drainage basin have been depopulated?
A) 10th century
B) 5th century
C) 12th century
D) 8th century
- 19. Who was responsible for the deliberate depopulation of part of the Douro drainage basin?
A) Alfonso I of Asturias
B) Philip II of Spain
C) Ferdinand II of León
D) King John I of Portugal
- 20. What type of boats were used to transport wine down the Douro River?
A) Gondolas
B) Steamboats
C) Barges
D) Rabelos
- 21. What is the name of the convention signed by Portugal and Spain regarding trans-boundary rivers?
A) Albufeira Convention
B) Madrid Agreement
C) Lisbon Treaty
D) Seville Accord
- 22. In which year was the Albufeira Convention signed?
A) 1998
B) 1983
C) 1975
D) 2001
- 23. What is the total length of the Douro River?
A) 1,000 km
B) 897 km (557 mi)
C) 650 km
D) 750 km
- 24. Which country's section of the Douro is naturally navigable by modest rivercraft?
A) Spain
B) Both Spain and Portugal
C) Portugal
D) Neither Spain nor Portugal
- 25. Name one of the most important tributaries of the Douro River in Spain.
A) Miño
B) Tajo
C) Sabor
D) Pisuerga
- 26. Which region is known for its vineyards near Aranda de Duero?
A) Ribera del Duero wine region
B) Alentejo
C) Douro Valley
D) Castilian meseta
- 27. Which natural park is located on the Portuguese side of the Douro River?
A) Peneda-Gerês National Park
B) Arribes del Duero Natural Park
C) International Douro Natural Park
D) Serra da Estrela Natural Park
- 28. How long does the Douro River form part of the border between Spain and Portugal?
A) 112 kilometres (70 mi)
B) 150 kilometres
C) 50 kilometres
D) 200 kilometres
- 29. Which river's confluence marks the point where the Douro fully enters Portuguese territory?
A) Miño River
B) Tajo River
C) Ebro River
D) Águeda River
- 30. What natural feature does the Aldeadávila Dam impound?
A) The Ebro River
B) The Tajo River
C) The Miño River
D) The Douro River
- 31. Which natural park is located on the Zamoran margin of the Douro?
A) Arribes del Duero Natural Park
B) Peneda-Gerês National Park
C) International Douro Natural Park
D) Serra da Estrela Natural Park
- 32. Which river basin borders the Douro to the north?
A) Guadiana
B) Tajo
C) Ebro
D) Miño
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