Jølstra is a river in the municipalities of
Jølster and
Førde in
Sogn og Fjordane county,
Norway. The long river flows from the lake of
Jølstravatnet (at an elevation of above sea level) down to the
Førdefjorden (which is at sea level). The river begins at the village of
Vassenden, on the shores of the lake, it then goes past the village of
Langhaugane, then past the
Moskog area of Førde, past the village of
Bruland, and it finally flows to its mouth at the town of
Førde, on the shores of the fjord. There are four hydroelectric power stations in the river. The average rate of flow in Jølstra is given as , measured at Høgset over the period from 1993 to 2011. The highest recorded flow rate during this period was , while the lowest recorded flow rate was .