The Solina Dam (length 664 m, height 82 m) on the river of San is the biggest of similar constructions in Poland. The upper lake is the biggest artificial reservoir of water in the country (max depth 60 m, square 22 km2). The power station has the an output 200 MW and every year produces 230 GWh of electricity.
There are also the second dam and second lake, but there are both much smaller (dam's length 386 m and height 17,5 m) - they have mainly equalizing functions.
The Solina Lake, despite of its industrial purposes is also the center of recreation and water's sports. There are many of places for accommodation, campings and spas.