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© Eike Dubois

Bostalsee Lake

The “Bostalsee“ is the largest lake in southwest Germany, offering numerous activities on and beside the water.

General information

The lake is located in the nature park Saar-Hunsrück in the idyllic surroundings of the regional mid mountain range. With a 120 hectare expanse of water and a depth of up to 20 metres it is the largest recreational lake in southwest Germany. Visitors can enjoy the surroundings of the lake, go windsurfing or sailing, take a boat trip, hike or cycle around the lake, go fishing or swimming. Two large sandy beaches invite you to sunbathe, swim or build your very own sand castle...


Since wind conditions are very good here, just as is the general infrastructure, the Bostalsee is perfect for sailing and windsurfing. The local harbour has 190 water and 120 land moorings. Regattas take place regularly.
The Saarland Yachting School in the “Eckelhauser Bucht“ bay (phone 0049 (0)681 3879222) as well as the S.A.L.T. Sailing School (phone 0049 (0)800 9670796) in the local harbour offer different sailing courses in regular intervals.


The windsurfing base is located on the lake shore in Gonnesweiler including 15 storage spaces for surfboards. Further locations to store surfboards are available in the area. Windsurfing is only possible with a basic windsurfing licence.


Because of the good quality of the water and the large amount of fish, the Bostalsee is a popular fishing lake. Lake, brown or rainbow trout, arctic char, pikeperche, pickerel, eel, carp, tench, roach, catfish, berch or burbot. Do you want us to continue? They are all cavorting in the Bostalsee. Fishing is possible from different zones from the shore or from pedal or rowing boats.

With the Saarlaand Card, free entry to Bosen lido and boat hire at Bosen -Westufer (western lakeshore)

freely accessible / always open


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