Orlången is a lake in central Huddinge Municipality, just south of Stockholm, Sweden. Orlången, one of the lakes in the Tyresån Lake System, forms part of the Orlången Nature Reserve. Catchment area. The catchment area is composed of criss-crossing fractured valleys with alternating agricultural lands and forests. The lake and its shores are highly popular for open-air activities such as fishing, bathing, birdwatching, tour skating, canoeing, skiing, and walking. The Bottnen ("The Bottom") wetland near the inflow from Mörtsjön is an important bird locale.
https://en.wikipedia.org/wiki/Orl%C3%A5ngen