Wikipedia
Barnsjön
Barnsjön ( Swedish for "the Child Lake") is a small lake within the Tyresån Lake System in Tyresö Municipality south of Stockholm, Sweden.
The lake, situated between the residential areas Trollbäcken and Bollmora, empties into Lake Tyresö-Flaten through the brook Prästängsdiket. It is regarded as an important local recreational milieu. It is popular for both fishing and bathing. There are two municipal baths by the lake.