Héraðsvötn

Héraðsvötn
Mouth of Héraðsvötn
Basin features
Main source	90 m (300 ft) 65°22′20″N 19°6′30″W / 65.37222°N 19.10833°W / 65.37222; -19.10833
River mouth	Skagafjörður 65°44′55″N 19°33′10″W / 65.74861°N 19.55278°W / 65.74861; -19.55278Coordinates: 65°44′55″N 19°33′10″W / 65.74861°N 19.55278°W / 65.74861; -19.55278
Basin size	3,650 km2 (1,410 sq mi)
Physical characteristics
Length	40 km (25 mi)
Discharge	Average rate: 111 m3/s (3,900 cu ft/s)

Héraðsvötn is a river in Iceland. It is formed by the confluence of Austari-Jökulsá and Vestari-Jökulsá.