Svegssjön, Freshwater lake in Härjedalen, Sweden.

Svegssjön is a freshwater lake in Härjedalen characterized by rocky shores and transparent water that mirrors the surrounding wilderness. The body of water sits within a landscape of coniferous forests and open terrain.

Svegssjön is a reservoir created in 1975, when the rivers Ljusnan, Vemån and Härjån were dammed to increase output at the two hydroelectric plants by the lake. The smaller plant at Kvarnforsen, south of Herrö, dates from 1919 and was rebuilt in 1966; the larger one stands near Sveg. The lake is named after the town of Sveg by its southeastern shore.

The lake takes its name from the town of Sveg, which lies near its southeastern shore. It is a regulated reservoir, and the water level moves between 358 and 369 metres above sea level, so the shoreline shifts through the year. Two hydropower plants stand by the water: the smaller one at Kvarnforsen, built in 1919 and rebuilt in 1966, and the larger Svegs kraftverk near Sveg.

The lake is accessible by car and offers opportunities for fishing, photography, and hiking along the shoreline. Visiting during warmer months makes exploration easier and more comfortable.

Svegssjön is a regulated reservoir: its surface can rise and fall between 358 and 369 metres above sea level, so the shoreline shifts with the water level. The lake was created in 1975 by damming the Ljusnan, Vemån and Härjån rivers to increase output at the two power stations beside it.