Barnsjön
| Barnsjön | |
|---|---|
| Coordinates | 59°13′35.6″N 18°14′7.7″E / 59.226556°N 18.235472°E |
| Primary outflows | Tyresö-Flaten |
| Basin countries | Sweden |
| Surface area | 2.0 ha (4.9 acres) |
| Surface elevation | 30 m (98 ft) |
| Settlements | Tyresö |
| References | |
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.