- What is the longest river in Iceland?
- A) Þjórsá
- B) Hvítá
- C) Jökulsá á Fjöllum
- D) Skeidarársandur Answer: A) Þjórsá
- Which river is known for its powerful waterfalls, including Gullfoss?
- A) Skjálfandafljót
- B) Hvítá
- C) Jökulsá á Fjöllum
- D) Þjórsá Answer: B) Hvítá
- Which river is the primary source of hydroelectric power in Iceland?
- A) Þjórsá
- B) Glúfraslókur
- C) Jökulsá á Fjöllum
- D) Sog Answer: A) Þjórsá
- Which river flows through the Þingvellir National Park?
- A) Sog
- B) Jökulsá á Fjöllum
- C) Hvítá
- D) Eystri-Rangá Answer: C) Hvítá
- What is the primary river of North Iceland?
- A) Skjálfandafljót
- B) Þjórsá
- C) Jökulsá á Fjöllum
- D) Eyjafjallajökull Answer: A) Skjálfandafljót
- Which river is known for its glacial meltwaters?
- A) Þjórsá
- B) Jökulsá á Fjöllum
- C) Sog
- D) Hvítá Answer: B) Jökulsá á Fjöllum
- Which river runs through the capital city, Reykjavík?
- A) Sog
- B) Þjórsá
- C) Kaldakvísl
- D) Hvítá Answer: A) Sog
- What type of ecosystem is primarily found along Iceland’s rivers?
- A) Tropical rainforest
- B) Tundra
- C) Boreal forest
- D) Wetlands Answer: D) Wetlands
- Which river is famous for its salmon fishing?
- A) Þjórsá
- B) Laxá
- C) Eystri-Rangá
- D) Jökulsá á Fjöllum Answer: B) Laxá
- Which river is part of the Vatnajökull National Park?
- A) Þjórsá
- B) Jökulsá á Fjöllum
- C) Hvítá
- D) Sog Answer: B) Jökulsá á Fjöllum
- What is the main characteristic of the river Þjórsá?
- A) It is glacial.
- B) It is volcanic.
- C) It is seasonal.
- D) It is saline. Answer: A) It is glacial.
- Which river forms the border between East and South Iceland?
- A) Jökulsá á Fjöllum
- B) Þjórsá
- C) Laxá
- D) Eystri-Rangá Answer: B) Þjórsá
- Which river is the second longest in Iceland?
- A) Skjálfandafljót
- B) Jökulsá á Fjöllum
- C) Hvítá
- D) Þjórsá Answer: B) Jökulsá á Fjöllum
- What type of fish is primarily found in the rivers of Iceland?
- A) Trout
- B) Salmon
- C) Cod
- D) Both A and B Answer: D) Both A and B
- Which river is known for its scenic canyons and gorges?
- A) Þjórsá
- B) Jökulsá á Fjöllum
- C) Hvítá
- D) Sog Answer: B) Jökulsá á Fjöllum
- Which river has the largest watershed in Iceland?
- A) Þjórsá
- B) Hvítá
- C) Jökulsá á Fjöllum
- D) Eystri-Rangá Answer: A) Þjórsá
- What is a common recreational activity along Icelandic rivers?
- A) Swimming
- B) White-water rafting
- C) Ice fishing
- D) All of the above Answer: B) White-water rafting
- Which river is notable for its geothermal features?
- A) Sog
- B) Þjórsá
- C) Laxá
- D) Jökulsá á Fjöllum Answer: C) Laxá
- Which river is characterized by its brown color due to sediment?
- A) Þjórsá
- B) Hvítá
- C) Jökulsá á Fjöllum
- D) Sog Answer: A) Þjórsá
- The River Laxá is located in which region of Iceland?
- A) West
- B) North
- C) East
- D) South Answer: B) North
- What is the primary cause of seasonal flooding in Icelandic rivers?
- A) Heavy rainfall
- B) Glacial melt
- C) Snowmelt
- D) Both B and C Answer: D) Both B and C
- Which river is known for its picturesque waterfalls?
- A) Sog
- B) Hvítá
- C) Þjórsá
- D) Jökulsá á Fjöllum Answer: B) Hvítá
- Which river has its source in the Langjökull glacier?
- A) Þjórsá
- B) Jökulsá á Fjöllum
- C) Hvítá
- D) Sog Answer: C) Hvítá
- The Sog River primarily flows through which part of Iceland?
- A) Northern
- B) Southern
- C) Eastern
- D) Western Answer: B) Southern
- What is the main use of rivers in Iceland?
- A) Transportation
- B) Agriculture
- C) Hydro power generation
- D) Fishing Answer: C) Hydro power generation
- Which river is known for its dramatic canyon landscapes?
- A) Þjórsá
- B) Jökulsá á Fjöllum
- C) Laxá
- D) Hvítá Answer: B) Jökulsá á Fjöllum
- What is a unique feature of the Jökulsá á Fjöllum river?
- A) It is seasonal.
- B) It flows over a glacier.
- C) It has hot springs.
- D) It is the longest river. Answer: B) It flows over a glacier.
- Which river is associated with the largest hydroelectric power plant in Iceland?
- A) Þjórsá
- B) Laxá
- C) Hvítá
- D) Jökulsá á Fjöllum Answer: A) Þjórsá
- Which river is primarily used for salmon farming?
- A) Þjórsá
- B) Laxá
- C) Hvítá
- D) Eystri-Rangá Answer: B) Laxá
- What impact does glacial melting have on Icelandic rivers?
- A) Increases water levels
- B) Changes sediment flow
- C) Affects fish migration
- D) All of the above Answer: D) All of the above
| River Name | Length (approx.) | Source | Mouth | Significance |
| Þjórsá | 230 km | Vatnajökull Glacier | Atlantic Ocean | Longest river in Iceland; major hydroelectric source. |
| Hvítá | 40 km | Langjökull Glacier | Gulf of Þingvallavatn | Known for Gullfoss waterfall; popular for tourism. |
| Jökulsá á Fjöllum | 150 km | Vatnajökull Glacier | Arctic Ocean | Flows through Vatnajökull National Park; scenic canyons. |
| Skjálfandafljót | 100 km | Vatnajökull Glacier | Arctic Ocean | Known for powerful waterfalls; good for salmon fishing. |
| Laxá | 60 km | Vatnajökull Glacier | Þingvallavatn | Famous for salmon fishing; flows through North Iceland. |
| Sog | 100 km | Lake Þingvallavatn | Þjórsá | Important for hydroelectric power; flows near Reykjavík. |
| Eystri-Rangá | 30 km | Þórsmörk area | Þjórsá | Popular for salmon fishing; known for scenic landscapes. |
| Kaldakvísl | 80 km | Vatnajökull Glacier | Jökulsá á Fjöllum | Flows through glacial areas; significant for hydrology. |
| Blanda | 106 km | Highlands of Iceland | Húnaflói | Important for hydroelectric power; rich biodiversity. |
| Kúðafljót | 50 km | Eastern Highlands | Atlantic Ocean | Known for its scenic views; less explored by tourists. |