What is "ustevatn"

Ustevatn is a lake in the municipality of Hol in Buskerud county, Norway. The main inflow is on the west side of the lake provided by Ustekveikja, which originates from the area around Finse in Hordaland. Norwegian National Road 7 runs along the north side of the lake. Bergen line railway has stations at Ustaoset and Haugastøl.