Jökulsá á Fjöllum
River
Jökulsá á Fjöllum is the second longest river in Iceland. Its source is the Vatnajökull glacier. It flows into the Greenland Sea. Jökulsá á Fjöllum streams over the waterfalls Selfoss, Dettifoss, Hafragilsfoss, and Réttarfoss, the second of which... Wikipedia
Mouth: Atlantic Ocean
Length: 128 mi
Discharge: 6,463 ft³/s
Source: Vatnajokull
Basin size: 7,380 km2 (2,850 sq mi)approx