Kaunissaare Reservoir is located on Jägala river in Kaunissaare Village, Anija Parish, Harju County, Estonia, near Kehra.

The reservoir is part of the Tallinn water supply system and is connected to Pirita, Soodla and Aavoja rivers via canals.

The area of the reservoir is 29 ha (72 acres), average depth is 2.3 m (7 ft 7 in) and maximum depth is 5 m (16 ft).

[2] A fish passage was built between the reservoir and downstream Jägala river in 2015.

This Estonia location article is a stub.