Lake Drīdzis

Lake Drīdzis (Dreidzs in local dialect) is the deepest lake in Latvia with a maximum depth of 66.2 meters. Its depth was originally measured at 65.1 meters in 1998, but it was measured again at 63.1. 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.

Lake Drīdzis
Lake Drīdzis
Location	Krāslava Municipality, Latvia
Coordinates	55°58′N 27°16′E
Primary outflows	Kovšika
Catchment area	34 km2 (13 sq mi)
Basin countries	Latvia
Max. length	9.8 km (6.1 mi)
Surface area	7.532 km2 (2.908 sq mi)
Average depth	12.8 m (42 ft)
Max. depth	66.2 m (217 ft)
Surface elevation	159.2 m (522 ft)
Islands	9

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