Best lakes around Erschwil are found within a region known for its mountainous landscape, featuring natural attractions such as gorges and summits. While no large natural lakes are directly within Erschwil, the surrounding area offers several smaller water bodies, including artificial lakes and ponds. These features contribute to the natural landscape of the Solothurn canton and provide opportunities for outdoor recreation. The area is recognized for its diverse hiking terrain and natural features.
Last updated: May 16, 2026
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The Baslerweier is an artificial lake that served as a drinking water supply for Basel for 70 years from 1870. Today it belongs to the canton of Solothurn and is a nature reserve. A true idyll!
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The Baslerweiher (also Basler Weiher or Baslerweier) is a small lake in the municipality of Seewen in the Swiss canton of Solothurn. It is located in the Jura, has an average water level of 560 m above sea level and an area of approx. 1.7 ha. https://de.m.wikipedia.org/wiki/Baslerweiher
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Very nice place with benches for a short stop!
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In fact, it is not a small lake but a deliberately created pond. The Basel pond was built in 1870. It was intended as a large water reservoir, so to speak as a reserve for the Grellinger water pipe to Basel and was not dug up but simply dammed.
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The lake is in a small valley. It is speared by a stream that the children enjoy. At the lake there is a farm where you can buy various things.
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No large natural lakes are directly within Erschwil. The region is primarily known for its mountainous landscape, gorges, and summits. However, the surrounding area does offer several smaller water bodies, including artificial lakes and natural ponds.
The lakes around Erschwil are primarily artificial lakes and natural ponds. These include water bodies originally created as reservoirs, now serving as nature reserves, and quiet ponds perfect for a break in nature.
The largest lake in the Canton of Solothurn is Basler Weiher. It was originally created artificially in the 19th century as a drinking water reservoir for Basel and is now a nature reserve.
Yes, several lakes and ponds are considered family-friendly. Basler Weiher, Stritteren Weiher, and 'La Gabiare' pond are all categorized as family-friendly, offering pleasant spots for visitors of all ages.
Yes, Stritteren Weiher is notable for its proximity to historical lime kilns. These kilns represent one of the oldest building materials produced artificially, adding a historical dimension to your visit.
Yes, 'La Gabiare' pond is a beautiful viewpoint situated between Gross-Karlisberg and Wietlisberg, offering scenic views. Additionally, the Basler Weiher Rest Area provides an idyllic spot with benches for a short stop and views of the pond.
The region around Erschwil offers various outdoor activities. You can find numerous hiking trails, including easy to difficult routes like the 'Chrüzlifels Viewpoint loop' or the 'Welschgätterli Pass – Welschgätterli loop'. There are also MTB trails and running routes available. For more details on hiking, visit the Hiking around Erschwil guide.
Visitors appreciate the tranquil and idyllic atmosphere of these water bodies. Many enjoy the opportunity for a quiet break in nature, especially at spots like Stritteren Weiher. The scenic beauty, particularly in autumn at Basler Weiher, is also highly valued.
Yes, there is a Pond with a wooden jetty near Reigoldswil. This spot is known for its trout and is located near an area with many hiking and biking suggestions.
Yes, Basler Weiher, the largest lake in the Canton of Solothurn, functions as a nature reserve. It offers a protected environment for local flora and fauna.
While the lakes can be enjoyed year-round, autumn is particularly recommended for its scenic beauty, especially at Basler Weiher. The refreshing coolness of the surrounding natural attractions, like the Kaltbrunnental Gorge, makes summer also a pleasant time for outdoor activities.


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