Trylen

Trylen
Panorama from the eastern shore of lake Trylen.
Coordinates	59°10′0″N 18°06′25″E / 59.16667°N 18.10694°E / 59.16667; 18.10694Coordinates: 59°10′0″N 18°06′25″E / 59.16667°N 18.10694°E / 59.16667; 18.10694
Primary inflows	Local surface water
Primary outflows	Övre Rudasjön
Catchment area	3.0 ha (7.4 acres)
Basin countries	Sweden
Surface area	2 ha (4.9 acres)
Max. depth	3.7 m (12 ft)
Surface elevation	45 m (148 ft)
Settlements	Huddinge
References

Trylen is a small lake 17 km (10 mi) south of central , Sweden. Shared by Huddinge Municipality and Haninge Municipality, it forms part of the Tyresån Lake System.

With its catchment area characterized by morass and pine covered rock faces, Trylen is a popular spot for walks and bathing. Motorboats are not permitted on the lake. Fishing permits do not apply in the lake.

Nutrients only reaches the lake from the air, which makes water quality high.

An inventory in 1998 documented common reed, water horsetail, Menyanthes, yellow water-lily, white water-lily, floating-leaf pondweed, and flatleaf bladderwort. Additionally, there are red algae and mosses such as Fontinalis dalecarlica.

Birds by the lake includes mallard and common goldeneye. Toads were reported in the lake in 2004, as were dragonflies such as brown hawkers and . No reports are available concerning bats, fishes, and crayfish.