Lakes around Oberthal are primarily characterized by the prominent Bostalsee, a large artificial recreational lake in the surrounding Sankt Wendeler Land region. This reservoir, created in 1979, is a central feature for outdoor activities in northern Saarland. The area offers a mix of natural landscapes and developed recreational facilities. It is known for its extensive circular paths and water sports opportunities.
Last updated: May 9, 2026
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Popular around Oberthal
Experience nature without detours - barrier-free adventures in Saarland
Countless trails, nature & history – hiking in Saarland
The most beautiful bike rides in the Sankt Wendeler Land
Hiking around Oberthal
Cycling around Oberthal
Road Cycling Routes around Oberthal
MTB Trails around Oberthal
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Gravel biking around Oberthal
beautiful views for hikers and cyclists
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The northern shore of Lake Bostal is a particularly attractive area of the lake, offering many recreational opportunities and amenities. It is a popular destination for visitors who want to enjoy nature, relax or be active.
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The dam at Bostalsee is an impressive structure that dams the largest artificial recreational lake in southwest Germany. The dam not only serves an important function for water sports and leisure activities, but also offers a wonderful view of the lake and the surrounding landscape. With its length of around 500 meters and a height of 20 meters, the dam, which was completed in 1979, is an impressive structure. A walk across the dam is particularly recommended at sunset, when the light bathes the lake in warm colors.
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The Bostalsee is always worth a trip
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Hello Nice circular route, easy Going is also recommended for people with mild disabilities.
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From here you have a great view of the lake.
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The circular lake path is 6.8 km long and is only open to pedestrians and cyclists and is mostly paved. Also recommended as a jogging circuit.
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The area around Oberthal is primarily known for the prominent Bostalsee, a large artificial recreational lake. You'll also find smaller, more secluded natural lakes like Eulensee, offering a mix of expansive waters with numerous activities and quiet, natural settings.
The lakes, especially Bostalsee, are excellent for various outdoor activities. You can enjoy hiking, cycling, and water sports. There are also specific routes for gravel biking and touring bicycles. For detailed routes, you can explore options like those found in the Gravel biking around Oberthal or Cycling around Oberthal guides.
Yes, the region offers many hiking opportunities. The Bostalsee dam and its circular path are popular for walks. For easier trails, you can find options in the Easy hikes around Oberthal guide, which includes routes like the 'Large Meadow – Oberthaler Moor Wooden Pathway loop'.
Absolutely. Bostalsee is very family-friendly, offering two beach baths, boat rentals, a petting zoo, and a children's playground, particularly around the Bostalsee North Shore. There's also a Climbing course at Center Parcs Park Bostalsee suitable for various age groups.
Yes, Bostalsee offers two designated beach baths for swimming. The lake is primarily used for recreational purposes, making it a popular spot for water activities.
Yes, a unique attraction near Bostalsee is the Upside-Down House, located right next to the Gonnesweiler sunbathing area. It offers a fun and different perspective for visitors.
The circular path around Bostalsee is a popular route for walking and cycling. It's well-maintained and offers scenic views of the lake. In winter, parts of the path are illuminated, powered by the dam's limited electricity generation.
Yes, the southwestern part of Bostalsee is designated as a nature reserve, preserving local biodiversity. This area offers a quieter experience for those interested in nature observation.
While specific bus routes can vary, Bostalsee is generally accessible via public transport connections in the Sankt Wendeler Land region. It's advisable to check local bus schedules for the most current information on routes to the lake.
The lakes are enjoyable year-round. Summer is ideal for swimming and water sports, while spring and autumn offer pleasant temperatures for hiking and cycling. Even in winter, the illuminated circular path around Bostalsee provides a unique experience.
Many trails around Bostalsee are dog-friendly, allowing you to enjoy walks with your canine companion. However, it's always recommended to keep dogs on a leash and be mindful of any specific signage regarding pet access in certain areas, especially nature reserve sections or beach baths.
There are numerous dining options available around Bostalsee, particularly near the recreational facilities and the Bostalsee North Shore. You'll find restaurants and cafes catering to visitors.


Still not found your perfect lake around Oberthal? Check out the guides of these regions to see even more beautiful places.