Norðurá (Skagafjörður)

Norðurá
Etymology"Northern river." Norður means "north" and á means "river."
Location
CountryIceland
CountySkagafjörður (municipality)
RegionSkagafjörður
Physical characteristics
Source 
  coordinates65°27′11.056″N 18°58′24.924″W / 65.45307111°N 18.97359000°W / 65.45307111; -18.97359000
MouthHéraðsvötn
  coordinates
65°26′N 19°11′W / 65.433°N 19.183°W / 65.433; -19.183

Norðurá is a river that runs the length of Norðurárdalur valley in Skagafjörður, Iceland, where it creates extensive sandbars on the valley floor. The river joins the Héraðsvötn below Flatatunga. Many tributaries flow into the Norðurá, some located in massive ravines, including Kotá, Valagilsá, Horná, Heiðará, Grjótá, Króká, Egilsá, Stóralækur rivers.