Lake Gruyère Trail: Pont-la-Ville Loop

The Île d'Ogoz loop offers a relatively smooth running experience as it's characterized by mostly paved surfaces. This makes it quite manageable for joggers.

You'll enjoy picturesque views of the expansive By the shore of Lake Gruyère and the surrounding natural landscape. A significant highlight is Ogoz Island itself, which features the ruins of two medieval castles and a restored 13th-century chapel, offering a blend of historical interest and natural beauty.

The most unique time to visit is in late winter and spring, particularly March. During this period, the reservoir is often drained to accommodate melting snow, causing the water level of Lac de la Gruyère to drop below 668 meters. This reveals the natural causeway, the Passage to Île d'Ogoz, allowing you to walk across to the island and explore its historical ruins.

While the trail is categorized as moderate and generally recommended for individuals with good fitness levels, its mostly paved surfaces make it quite accessible. If you're a beginner with some running experience, you might find it manageable, but be prepared for a 10.8 km distance with around 100 meters of elevation gain.

Yes, the trail is generally dog-friendly. However, always ensure your dog is kept on a leash, especially around other visitors and wildlife, and remember to clean up after them.

No, there are no specific permits or entrance fees required to access and run this loop trail around Île d'Ogoz.

While specific parking details aren't provided, you would typically look for parking options in or near Avry, the starting point for this loop. Local parking areas would be your best bet for trailhead access.

Absolutely! The most distinctive feature is the ephemeral accessibility of Ogoz Island. The "Passage à l'île d'Ogoz" is a natural causeway that only connects the mainland to the island when the water level of Lac de la Gruyère is below 668 meters. This unique condition transforms the island into a peninsula, allowing visitors to walk across.

Yes, the route also passes through sections of the Redon trail (covering about 11% of the route) and the Impasse de Sappé trail (covering about 9% of the route).

For an average jogger, this 10.8-kilometer loop typically takes around 1 hour and 14 minutes to complete.

Yes, the trail offers panoramic views of Lac de la Gruyère and the pre-Alps, especially from Ogoz Island itself, where you can explore the ruins of medieval castles and a 13th-century chapel. One of the castle towers provides an excellent vantage point.