Lakes near Obermumpf are primarily found in the surrounding Fricktal valley, as the village itself does not feature large lakes directly within its boundaries. The region is characterized by picturesque landscapes and offers various hiking opportunities. A notable body of water in the vicinity is the Bergsee, a small natural lake located approximately 4.8 km from Obermumpf. This area provides a tranquil setting for outdoor activities.
Last updated: September 30, 2026
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The nature reserve, covering a total of 12 hectares, was designated in 1997 and aims to protect in particular the western estuary of the Wehra river, which is 26 km long, and the reed and shallow water zones of the Rhine. A successful nature conservation project.
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The mountain lake is a small lake at 382 m above sea level. It is a natural lake up to 13 m deep, which was altered by human hands in 1802 and 1803. At that time, it was called the Black Lake.
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The mountain lake is actually worth a visit at any time of the year - particularly colorful in autumn, significantly cooler in summer than down in the city, very little visited in winter and refreshingly different in spring...
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The north side of the mountain lake is wonderfully idyllic and close to nature. If you want, you will find the restaurant and the boat rental on the south side.
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Super cool place to take a break and watch the waterfowl
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beautiful mountain lake in an idyllic location
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Nice circular route around the lake
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you can take a break in a wonderful location
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While Obermumpf itself doesn't feature large lakes directly, the most notable body of water in its close vicinity is the Bergsee, located approximately 4.8 km away. Other significant water bodies include the newly designed pond at City Park West, Rheinfelden, the Wehra River Mouth Nature Reserve where the Wehra meets the Rhine, and the Talweiher Nature Reserve.
Swimming is generally not permitted in the Bergsee. For other water bodies, it's best to check local signage or specific regulations, as many are nature reserves or designed for observation rather than swimming.
Yes, the lakes are often focal points for hiking routes. For example, the South shore of Bergsee, Bad Säckingen features a paved circular path and is part of several hiking trails. You can find various hiking options, including the 'Bad Säckingen Wooden Bridge – North shore of the Bergsee loop from Stein-Säckingen', by exploring the Hiking around Obermumpf guide.
Beyond hiking, visitors can enjoy pedal boating and fishing on the Bergsee. The region also offers extensive opportunities for cycling and mountain biking. Explore routes like the 'Bad Säckingen Wooden Bridge – View of Stralbrusch Waterfall loop from Stein-Säckingen' in the Cycling around Obermumpf guide, or MTB trails such as 'Wehr Mouth Observation Tower – Bergsee Bad Säckingen loop from Stein-Säckingen' in the MTB Trails around Obermumpf guide.
Yes, there are options suitable for easier walks. The South shore of Bergsee, Bad Säckingen offers a paved circular path, ideal for a relaxed stroll. For more options, check the Hiking around Obermumpf guide, which includes routes like the 'Winding Dirt Path in Aargau – Schupfart Airfield loop from Schupfart' rated as easy.
The Wehra River Mouth Nature Reserve is an excellent spot to observe numerous waterfowl and various fish species. Similarly, the Talweiher Nature Reserve is a small, untouched natural paradise where you can watch birds and beavers. The pond at City Park West, Rheinfelden also allows observation of water birds and fish from dedicated platforms.
The South shore of Bergsee, Bad Säckingen is known for its paved circular path, making it accessible. City Park West, Rheinfelden is a well-maintained facility with a newly designed pond, spacious promenade, and amenities like a marble run and outdoor fitness course, making it very family-friendly.
The Dreiweiher Pond is an idyllic spot in the southwestern part of Bad Säckingen's city forest. Despite its name, it is currently only one body of water. Historically, the area was known to have three fish ponds, and the name 'Dreiweiher' (meaning 'three ponds') refers to this past.
Many of the water bodies are family-friendly. The South shore of Bergsee, Bad Säckingen and City Park West, Rheinfelden are particularly noted for being family-friendly, offering amenities and easy paths. The Wehra River Mouth Nature Reserve and Talweiher Nature Reserve also provide natural settings suitable for families to explore.
Visitors appreciate the tranquil settings and natural beauty. The South shore of Bergsee is loved for its forest surroundings and idyllic location, perfect for lingering. The Wehra River Mouth Nature Reserve offers an idyllic spot for relaxation and enjoying original nature, while City Park West is valued for its green oasis and opportunities to observe wildlife.
While specific cafes or pubs directly adjacent to every lake are not detailed, the Bergsee has a small guesthouse nearby. City Park West, Rheinfelden features the Buvette Rhybar, offering drinks and simple snacks. For other locations, amenities are typically found in the nearby towns and villages.
Yes, the region features several nature reserves. The Wehra River Mouth Nature Reserve is a significant natural monument, and the Talweiher Nature Reserve is known as a small, untouched natural paradise with diverse habitats and wildlife.


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