Norðurá is a river that runs the length of

Norðurárdalur Norðurárdalur (North River Valley) is a valley in eastern Skagafjörður, Iceland bordered by the Bóluá river, which forms the boundary between Blönduhlíð and Norðurárdalur. Route 1 runs through the valley up to the Öxnadalsheiði ...

valley in

Skagafjörður Skagafjörður () is a deep fjord and its valley in northern Iceland. Location Skagafjörður, the fjord, is about 40 km long and 15 km wide, situated between Tröllaskagi to the east and the Skagi, Skagi Peninsula to the west. Ther ...

Iceland Iceland is a Nordic countries, Nordic island country between the Atlantic Ocean, North Atlantic and Arctic Oceans, on the Mid-Atlantic Ridge between North America and Europe. It is culturally and politically linked with Europe and is the regi ...

, where it creates extensive sandbars on the valley floor. The river joins the

Héraðsvötn Héraðsvötn (), whose name is often shortened to Vötn or Vötnin (and was called Jökulsá in previous centuries) is a glacier river in Iceland. It is formed by the confluence of Austari-Jökulsá and Vestari-Jökulsá. The Héraðsvötn is ...

below Flatatunga. Many tributaries flow into the Norðurá, some located in massive ravines, including Kotá, Valagilsá, Horná,

Heiðará is a spring creek that runs westward through Öxnadalsheiði plateau in Skagafjörður, Iceland and later flows into the Norðurá river where it descends into Norðurárdalur valley. The river originates in Kaldbaksdalur valley, which runs s ...

, Grjótá, Króká, Egilsá, Stóralækur rivers.

References

{{authority control Skagafjörður Rivers of Iceland