Sog (river)

Sog is a river in Iceland. It runs from the lake Þingvallavatn for to its confluence with the river Hvítá, forming the river Ölfusá which then runs for another into the Atlantic Ocean. Its average discharge is.
There are three hydroelectric power stations on the river: Ljósafossstöð, Írafossstöð and Steingrímsstöð.
The river runs through two lakes, Úlfljótsvatn and Álftavatn.
It has a healthy stock of arctic char and Atlantic salmon. The size of the char can be anywhere from with an average size of. The most common weight for salmon is with a few fish caught each year from. There are also brown trout in the River.