Teufelssee

Fantastic lake! Must do for a quick swim and relax from the city busy life. - Francesco Salbaroli

Beautiful and calm place .. the small spree is very clean that you may want to dip on it .. - Reshma Unnikrishnan

After a walk within an absolutely fantastic nature feeling, you have to swing in to the Biergarten&have a German speciality snack&drink. Try Obatzda, Pretzel, Radler, Bratwurst or a a half Hendl. - Frau Coco Lores

Very beautiful place to swim in Berlin. Water temperature is quite good and there are beaches covered with grass. - Öykü Y.

Nature at its best, here. I am not sure about swimming in Müggelsee (read Johann Grimm’s tip above) if you don’t mind walking long distance, you’ll find a lot of charming corners. - Rohan F'des

Beautiful and calm spot, it feels like far away from the city! - i.am. a.

Wenn man den Berg runter rollt wird einem schwindelig ... - Maximilian Muhr

Very cool place and well worth going. The tour was long and good value but they made us wait for quite some time before starting, and skipped on some of the English explanations. - Sam M

Love biking off road paths through this forest but there are also very cyclable routes and a small cute lake. Easily reachable with the S-bahn. - i.am. a.