Wikipedia
Selfoss can mean either of the following locations in Iceland:
- Selfoss (town)
- Selfoss (waterfall)
Selfoss is a town in southern Iceland on the banks of the Ölfusá river.
It is a part of, and seat, of the municipality of Árborg. The Icelandic Ring Road (Icelandic: Hringvegur) runs through the town on its way between Hveragerði and Hella. It is a centre of commerce and small industries with a population of 6,512 (2011), making it the largest residential area in South Iceland.
Selfoss is a waterfall on the river Jökulsá á Fjöllum in the north of Iceland. The river drops over a number of waterfalls over about 30 km before flowing into Öxarfjörður, a bay of the Arctic Sea. The river originates as melt water from the glacier Vatnajökull and therefore the water flow varies depending on the season, the weather and volcanic activity.
A few hundred meters downstream of the Selfoss waterfall ( high), the Dettifoss waterfall is situated, the most powerful waterfall in Europe. The river falls over a width of . Below the falls, the river passes through a gorge which is part of the Jökulsárgljúfur National Park.