Trail of the Two Castles

This is considered a moderate hike. While generally accessible, it requires good physical condition. Be aware of a particularly steep section near the Château de Virieu, which can be slippery due to clay soil and dead leaves.

The loop starts from Val-de-Virieu. You can typically find parking within the village, which serves as the trailhead for this route.

The primary attractions are the two magnificent castles: the historic Château de Virieu and the stunning Neo-Gothic Pupetières Castle. You'll also pass by the Dead monk cross and enjoy panoramic views of the Bourbre valley and distant massifs like Bugey, Chartreuse, Bauges, and Vercors.

Yes, this trail is generally dog-friendly. However, please keep your dog on a leash, especially when passing through villages, near livestock, or in areas where wildlife might be present. Always clean up after your pet.

The trail offers diverse scenery throughout the year. Spring and autumn are ideal for comfortable temperatures and vibrant foliage. In clear weather, you might even catch a glimpse of Mont Blanc from certain viewpoints.

No, there are no permits or entrance fees required to hike this public trail.

The terrain is varied, including paths along the Bourbre valley hillside, sections through forests, and some paved parts. Be prepared for a very steep section near the Château de Virieu, which can be challenging, especially if wet.

The village of Val-de-Virieu, where the loop starts and ends, is a medieval village with typical Dauphiné houses. You may find local establishments there or in nearby towns for refreshments and meals.

The majority of the route is well-marked with yellow blazes. You'll also find indicator panels at strategic points to help guide you.

While direct public transport options to Val-de-Virieu might be limited, you can check local bus services that connect to larger towns in the Isère department, from which you might need to arrange a taxi or a shorter local connection to reach the starting point.

The Château de Virieu is an impressive example of military architecture dating from the 11th to 18th centuries, complete with French gardens. The Pupetières Castle is a 19th-century Neo-Gothic masterpiece, notably restored by Eugène Viollet-le-Duc, featuring distinctive polychrome glazed tiles and a history linked to literary figures like Alphonse de Lamartine.