Natural monuments around Alterswil, a former municipality now part of Tafers in the canton of Fribourg, Switzerland, are characterized by a serene alpine setting and rolling hills. The area offers significant natural beauty and opportunities for outdoor exploration, particularly hiking. Its landscape includes forested areas, agricultural land, and the Galternbach stream, which flows through a gently incised valley. The nearby Sense Gorge also provides accessible natural attractions with dramatic rock formations and riverine landscapes.
Last updated: June 26, 2026
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Here is the old Schwarzwasser bridge, which leads over the river Schwarzwasser. The stone bridge offers some sights worth seeing. On one side of the bridge, the water has formed impressive channels and crevices in the sandstone slabs. On the other side, a small island offers a pleasant opportunity to use the river as a bathing spot in the summer. Further ahead, the newer Schwarzwasser bridge can be seen.
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A super highlight is the Düdinger Moos
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Gäggersteg, simply brilliant. Very well done, with safe paths through the area and forests. The climb is relatively steep. Good footwear recommended. A must if you are in the region. For young and old.
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The Düdingen Möser were subject to numerous disturbances in the 20th century. The peat of this Möser, which took several thousand years to form, was intensively mined during the Second World War to counteract the lack of coal. This resulted in several bodies of water and the habitat began to be colonized by trees and bushes. The use of part of the Möser as a waste pit and for fish farming, as well as the construction of the A12 motorway, had a major impact on this habitat in the 1970s.
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A hermit's dwelling in the hamlet of Räsch was first mentioned in 1448. The hermit Johann Dupré and his assistant Johann Liecht expanded the rock dwelling to its current size between 1680 and 1708. In order to prevent the hermitage from collapsing and to preserve it for the general public, the parish of Düdingen carried out extensive renovation work in 2005/2006. Open and free of charge from April to September.
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The “Gäggersteg” 🌲 is a highlight for nature lovers and hiking enthusiasts! Start your tour in the Sensegräben nature reserve and follow the well-signposted path. The Gäggersteg itself is a spectacular wooden footbridge 🌉 that stretches over the forest areas destroyed by Storm Lothar and offers unique insights into the regeneration of nature 🌿. Enjoy the breathtaking views of the Bernese Alps 🏔️ and the surrounding valleys. The path is easy to walk and ideal for families 👨👩👧👦.
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The Magdalena Hermitage in Büdingen is a historic hermitage that was built in the 18th century. It is picturesquely located on the edge of the forest and consists of a small chapel and a residential building for the hermit. The hermitage served as a retreat for religious hermits and is now a popular destination for visitors seeking peace and historical atmosphere.
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The partially restored ruin is a place with historical charm and invites you to linger.
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The Alterswil area, part of Tafers, offers a serene alpine setting with rolling hills, extensive forested areas, and agricultural land. You can explore the gently incised valley of the Galternbach stream, which contributes to the area's natural charm. Additionally, the nearby Düdinger Moos Nature Reserve provides a unique environment with its moorland and bodies of water, formed from ancient peat mining.
Yes, several natural monuments in the area also boast significant historical value. For instance, the Grasburg Castle Ruins are the remains of the largest castle in the canton of Bern, situated in a very interesting valley. Another historical highlight is the Old Schwarzwasser Bridge, a well-preserved structure that historically connected Bern and the Schwarzenburgerland. The Magdalena Hermitage, Räsch, dug into a rock face, is a unique historical and religious site dating back to the 15th century.
Absolutely. The Gäggersteg Elevated Walkway is an excellent choice for families, offering an instructive path for observing reforestation efforts in a safe and engaging way. The Old Schwarzwasser Bridge is also considered family-friendly, providing a scenic spot for a walk and even swimming in the summer (with caution).
The region around Alterswil is ideal for various outdoor activities, especially hiking. You can find numerous trails that lead through the rolling hills and forests. For specific routes, consider exploring the hiking guide for Alterswil, which includes trails like the 'View Above Alterswil' or the 'Senseschlucht in the Fog loop'. The area also offers opportunities for running and gravel biking, with dedicated guides available for these sports.
Yes, there are several hiking trails that allow you to discover the natural monuments. For example, the Gäggersteg Elevated Walkway integrates wonderfully with the Gantrisch Panoramaweg. You can also find trails leading to the Grasburg Castle Ruins, offering beautiful views towards Schwarzenburg. For a broader selection of routes, check the Hiking around Alterswil guide.
The natural monuments around Alterswil are generally enjoyable throughout the warmer months, from spring to autumn, when hiking conditions are most favorable. The Magdalena Hermitage, for instance, is open and free of charge from April to September, with specific hours in April and October. Winter can also offer unique experiences, such as seeing beautiful ice sculptures over the watercourses near the Old Schwarzwasser Bridge, though some paths might be more challenging.
Visitors particularly appreciate the scenic beauty and the blend of nature and history. The Gäggersteg Elevated Walkway is loved for its beautiful views and its role in reforestation education. The Old Schwarzwasser Bridge is noted for its historical significance and as a perfect spot for summer swimming. The Grasburg Castle Ruins are praised for their impressive scale and the interesting valley setting. The Magdalena Hermitage is considered a 'place of power with a unique aura'.
The Düdinger Moos Nature Reserve is listed as wheelchair accessible, offering an opportunity for everyone to enjoy its unique moorland environment. It's always recommended to check specific trail conditions before visiting, as accessibility can vary.
While Alterswil itself is a smaller locality, public transport options are available to reach the general area. From there, access to specific natural monuments might involve further walking or local connections. For detailed information on bus routes and connections to Alterswil, it's best to consult local public transport schedules. Some highlights, like the Gäggersteg Elevated Walkway, are often integrated into larger hiking networks that can be accessed via public transport hubs in nearby towns.
Parking availability varies by location. For instance, if you arrive by car at the Gäggersteg Elevated Walkway, remember to pay the parking fee, even if not in an official car park. For other sites like the Grasburg Castle Ruins, there might be parking options near the ascent points. It's advisable to check specific highlight details or local signage for parking information before your visit.
Yes, the area around Alterswil provides excellent opportunities for running and gravel biking. You can find various routes that pass through the scenic landscape. For running, explore the Running Trails around Alterswil guide, which features routes like the 'Bern Bridge (Pont de Berne) – Grabensaal Footbridge loop'. For gravel biking, the Gravel biking around Alterswil guide offers challenging rides such as the 'Bern gravel ride: through the heart of the Gantrisch Nature Park'.
The Magdalena Hermitage is home to a fascinating geological phenomenon: visitors walk on petrified sand dunes that are evidence of a sea present about 20 million years ago. This offers a unique insight into the region's ancient past. Additionally, the Düdinger Moos Nature Reserve showcases the geological impact of peat formation over thousands of years.


Extend your search for the best caves by checking out these guides of the top ones around Alterswil: