The lake is of mixed glacial and tectonic origins. It is 2,120 m (6,960 ft) long and 1,380 m (4,530 ft) wide, with a maximum depth of 30.6 m (100 ft). The lake is situated in a picturesque environment, surrounded by mountains and forests. The medieval-era Bled Castle stands above the lake on the north shore. The Zaka Valley lies at the west end of the lake.
The lake is also well known among rowers because it has very good conditions for the sport. It hosted the World Rowing Championships in 1966, 1979, 1989 and 2011