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Lake Chiemsee

Lake Chiemsee is the third largest lake in Germany, covering almost 80 km². It was formed about 10.000 years ago during the last Ice Age. At that time, the largest lake in Bavaria was even three times larger. To the south is the estuary delta of the Tyrolean Achen, the only naturally developing inland delta in Central Europe. Chiemsee has very valuable shoreline habitats and is a hotspot for biodiversity. As a "hub of bird migration", it is of outstanding importance throughout Europe as a resting and wintering area. At the same time, Chiemsee is one of Germany's largest tourist destinations.

What makes it special

All municipalities around the lake are connected to a single sewage water treatment plant with a ring-shaped channel that is submerged in the lake.

Protection status

· Ramsar Site 95, Wetland of International Importance
· EU Natura 2000
· Nature Reserve - Mündung der Tiroler Ache

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Lake Chiemsee and its surroundings are home to numerous species of flora and fauna. 47 orchid species, 58 dragonfly species, 148 species of breeding birds and 19 species of bats have been recorded. The orchard meadows of the lowlands provide a suitable breeding ground for meadow breeders such as snipe, lapwing and curlew. The meadows are also home to a large number of grasshoppers, butterflies, bugs and cicadas.

Ph: Johann Zimmermann


Men has settled in the area since 5.000 years. Thus, the Chiemsee area has been significantly altered by human influence into a cultural landscape. Municipalities around the lake and the proximity to Munich with six million people in the metropolitan zone, leads to high use for recreation and watersports.

Our Work

The Living Lakes Partner Chiemsee Nature Guides focus on nature experience for the citizens in the Munich metropolitan area. A specific focus is given to inclusive offers for impaired people. Chiemsee Nature Guides since 15 years participate actively in all activities of the Network Living Lakes Germany and support the improved management of lakes and wetlands.

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