The lake receives very small amounts of clean water from the surrounding areas.

Bagsværd is the site of various international rowing, sailing, kayaking and windsurfing competitions.

In the summer with its numerous beaches and only 15 kilometres (9.3 mi) north of Copenhagen, it is a site of relaxation for the Danish people.

The 1963 European Rowing Championships for men were held on the lake (women competed in Moscow that year)[1] as well as the 1971 European Rowing Championships (men and women).

[3][4] In September 2016, the World Rowing Masters Regatta was held on the lake.