Lake Drīdzis (Dreidzs in local dialect) is the deepest lake in Latvia, with a maximum depth of 66.2 meters.

However, the University of Daugavpils measured it in 2020 at its final depth of 66.2 meters.

[1][2] The lake's bed is sandy and silty.

The lake is nearby the Lake Drīdzis Nature Park, which has been protected since 1977.

This Latgale location article is a stub.