Best lakes around La Valla-En-Gier are predominantly reservoirs formed by dams on the Gier river, which primarily serve as a water supply for nearby towns. Located within the Pilat Regional Natural Park, the area features a landscape of cliffs and forests. These water bodies offer recreational and scenic value, characterized by historical dams and lush, green surroundings. The region provides opportunities for hiking and waterside exploration.
Last updated: July 7, 2026
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Popular around La Valla-En-Gier
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Hiking around La Valla-En-Gier
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Cycling around La Valla-En-Gier
Running Trails around La Valla-En-Gier

Gravel biking around La Valla-En-Gier
magnificent with a small, rather steep passage (good shoes recommended)
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The Sapt dam is an impressive 18-metre-high structure. Also called the Plats dam, it is located on the course of the Semène.
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This path borders the Gier water reservoir. Some technical parts require the use of a handrail. The setting is very bucolic.
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The Rive dam discharges its waters into the Gier reservoir which itself relies on the Soulages dam further south. The view from the dam allows you to see the downstream dam and the Gier water reservoir.
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The Soulages dam is unlike other dams in the region with its impressive arched construction.
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Nice example of a dam where you can walk under the structure that overlooks you. Impressive.
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Nice view of the lakes.
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access by the southwest path is steep with some stones. Access by the northwest path under the road is pleasant and not too steep with views over the Cotatay valley.
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Lac de Grangent is a hub for nautical activities. You can enjoy swimming at the supervised beach in Saint-Victor-sur-Loire, sailing, paddleboarding, and canoeing. Equipment rentals and lessons are available at the nautical base. Electric boat cruises are also offered for exploring the Gorges de la Loire.
Yes, the area around the historic dams offers numerous hiking opportunities. For example, the surroundings of the Barrage du Gouffre d'Enfer are popular for nature lovers and hikers, with trails from villages like Planfoy or Rochetaillée. The reservoirs of the Gier river also feature scenic circular routes, such as those encompassing the Soulages Dam and Rive dam spillway, providing beautiful waterside strolls.
The Barrage du Gouffre d'Enfer, constructed in 1862, is historically significant as one of Europe's first arched masonry gravity dams. At 53 meters, it was once the tallest dam in France and worldwide. It's set amidst immense cliffs and forests within the Pilat Regional Natural Park.
Yes, Lake Ternay offers a pleasant, family-friendly path of about 4 kilometers, known as the 'Chemin de Ronde', which goes around the lake. The supervised swimming area at Lac de Grangent in July and August also provides a safe environment for families.
The dams offer diverse and impressive views. From the Rive dam spillway, you can see the downstream dam and the Gier water reservoir. The Cotatay Dam provides views over the Cotatay valley, and its unique structure allows you to walk underneath it. The Soulages Dam is notable for its impressive arched construction.
Yes, the region around La Valla-En-Gier offers various trails suitable for running and mountain biking. You can explore running routes like the Partridge Peak loop from La Valla-en-Gier, or mountain biking trails such as the Les Plats Dam – Riot Pass loop from Tarentaise. For more details, check out the Running Trails around La Valla-En-Gier and MTB Trails around La Valla-En-Gier guides.
Absolutely. Cycling enthusiasts can find routes that incorporate the scenic lake areas. For instance, the 'Les Crêts et le Pays du Gier - Loop in the Pilat Regional Natural Park' offers a challenging ride. You can find more cycling options in the Cycling around La Valla-En-Gier guide.
The lakes and their surrounding trails are pleasant in any season. Spring and autumn offer lush greenery and comfortable temperatures for hiking. Summer is ideal for water activities at Lac de Grangent, with supervised swimming. Even in winter, the routes around the Gier river reservoirs can be enjoyed, though some passages might be humid.
Beyond the historic dams themselves, such as the Barrage du Gouffre d'Enfer, the region has historical significance related to water management, with old aqueducts hinting at Roman-era infrastructure. Near Lac de Grangent, you can also find two castles: the Château de Grangent on an island and the Château d'Essalois overlooking the lake.
The Sapt Dam, also known as the Plats dam, is an impressive 18-meter-high structure on the Semène river. It's a great spot for a scenic stop during a hike. While the guide doesn't specify visitor tips for this particular dam, its scale makes it a notable landmark.
Visitors appreciate the variety of settings for walks and hikes, from scenic waterside strolls to routes through wild nature. The historical significance of the dams, like the unique arched construction of Soulages Dam, and the impressive views, such as those from the Rive dam spillway, are frequently highlighted. The lush, green surroundings offer a refreshing escape into nature.
Yes, Lac de Grangent has a marina and a sandy beach at Saint-Victor-sur-Loire, where parking facilities are typically available for visitors accessing the lake and its activities.


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