Natural monuments in Siders, the German name for Sierre, are found in a region of Valais, Switzerland, known for its diverse landscapes. The area features a mix of alpine terrain, valleys, and numerous lakes. These natural sites offer opportunities to explore the geographic features of the Swiss Alps. Siders is often referred to as the "city of sunshine," providing a favorable climate for outdoor exploration.
Last updated: May 28, 2026
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On the bright side of life – hiking the Valais Sun Trail
I did this hike in early May 2024, just a few days after the ski season was over and the slopes had closed. The valley was completely deserted and it felt magical! The peaks were still covered in snow, but the first signs of spring were beckoning. On the final stretch to Lac d'Arpitetta, I was wading through snow up to my knees. Without proper gear I couldn’t get any farther than the small lake. The view on that crystal-clear spring day was absolutely fantastic! Check the picture I uploaded with all the peak names added.
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magnificent view of the lake and the surrounding mountains
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Just incredible path of the Zinal Les Haudères stage of the Matterhorn tour
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wonderful view from the Corne de Sorebois
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Incredible rock formations and a great trail along the Suone. There are only two such formations in the entire region.
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From here you have a fantastic view of the pristine Tièche valley. The valley is a small natural paradise with waterfalls, larch forests and preserved mountain pastures. Further down, the Tiéche flows into the Raspille, which also marks the linguistic border of the canton of Valais. Water from the Tièche is also transported to the vineyards around Crans-Montana via the old Suone de Tsittoret irrigation canal.
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Incredible rock formations and a superb trail along the Bisse du Marais.
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The Siders region, also known as Sierre, offers a diverse range of natural features. You can discover impressive high-altitude reservoirs like Lake Moiry, known for its distinctive blue water, and Lake Tseuzier, surrounded by waterfalls and varied plant life. The area also features ancient irrigation channels called 'The Bisses,' picturesque mountain lakes such as Lac d'Arpitettaz, and the unique geological formations of the Pyramides de la Raspaille.
Yes, several natural monuments in Siders are suitable for families. Lake Tseuzier and Lake Moiry are popular choices, offering scenic walks and easy access. Lac de la Brèche and Lake Châteaupré also provide pleasant environments for family outings. For a unique experience, consider the St-Léonard Underground Lake, Europe's largest underground lake, which offers boat tours.
The terrain around Siders' natural monuments varies significantly. You'll find everything from relatively flat paths around lakes like Lac de Géronde to more challenging alpine trails leading to spots like Roc de la Vache or Sorebois Horn. Many trails follow ancient irrigation channels (Bisses) which are generally gentle, while others involve steeper ascents through valleys like the Tièche Valley, featuring waterfalls and larch forests.
Siders, known as the 'city of sunshine,' offers a favorable climate for outdoor exploration. The best time to visit most natural monuments is typically from late spring to early autumn (May to October) when the weather is mild, and mountain trails are clear of snow. During summer, you can enjoy swimming in Lac de Géronde or Lac de la Corne. Some higher-altitude lakes and viewpoints might be inaccessible or require winter gear outside of these months.
Yes, the region's ancient irrigation channels, known as 'The Bisses,' are a distinctive natural monument with significant historical value. These historic waterways, some still in use, provide insight into traditional agricultural practices in Valais and offer picturesque walking trails. Additionally, the reservoirs like Lake Tseuzier and Lake Moiry, while man-made, represent impressive feats of engineering and play a crucial role in the region's energy generation and water supply.
The Siders region is excellent for various outdoor activities. You can enjoy gravel biking on routes like the 'Sion – Castles of Sion loop' or 'Lac de Géronde – Lake View on the Dike loop' (Gravel biking in Siders). For hikers, there are waterfall hikes such as 'To the Sibe Brünne' or 'Over the Simmen Falls to Flueseeli' (Waterfall hikes in Siders). Cycling enthusiasts can explore routes like the 'Valais Alpine Bike - Stage 1' or the 'Rhone Route' (Cycling in Siders).
Public transport options are available for some natural monuments. For instance, during summer months, you can take a post bus from Sion directly to Lac de Tseuzier. For other locations, public transport might take you to a nearby village, from where you can continue on foot or by a local shuttle service. It's advisable to check specific routes and schedules in advance for your chosen destination.
Visitors frequently praise the stunning panoramic views, especially from viewpoints like View of the Tièche Valley and Roc de la Vache. The serene beauty of the lakes, such as Lake Moiry with its magical blue water, is also a major draw. Many appreciate the variety of landscapes, from alpine peaks to lush valleys and ancient forests, offering diverse experiences for nature lovers and outdoor enthusiasts.
Yes, the Pfyn-Finges Nature Park is located near Siders. It is recognized as a nature park of national importance and is a significant hotspot for biodiversity in Switzerland. This park offers a rich variety of landscapes and ecosystems, making it an ideal destination for nature enthusiasts looking to explore diverse flora and fauna. Additionally, the Breche Lake area is a nature reserve, providing a tranquil setting for observation.
While some natural monuments are in remote alpine settings, many have amenities nearby. For example, the Rawil restaurant is located at the foot of the dam at Lac de Tseuzier. In general, the towns and villages surrounding Siders, such as Crans-Montana or Zinal, offer a range of cafes, restaurants, and accommodation options. It's recommended to plan your visit and check for facilities in the specific area you intend to explore.
For breathtaking photography, consider visiting Roc de la Vache, which offers unforgettable views towards the Rhône valley and the surrounding 3,000 and 4,000-meter peaks. The reflections of the Turtmann glacier in Lac d'Arpitettaz provide another stunning photo opportunity. The vibrant blue waters of Lake Moiry, set against the backdrop of the Valais Alps, are also incredibly photogenic.


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