Paid
Regional art and folklore museum at Fessy: 20,000 rural objects by Bernard Lacroix, in an 18th-c. farm. Summer Thursday guided tours, €5.
A 13th-14th century fortified house brought back from ruin by the Guyon family since 1971: water-filled moat, drawbridge, medieval wall paintings, listed as a Historic Monument in 1974.

The Château d'Avully at Brenthonne (74890) — also known as the Château Saint-Michel d'Avully, after the seigneurial family who held it from the 13th to the 18th century — is one of the most affecting castles in the Chablais. A fortified manor of the 13th–14th centuries, strengthened in the 14th on the order of the Count of Savoy, it lived through the Protestant Reformation, was confiscated at the Revolution and gradually fell into ruin in the 19th century. Listed as a Monument Historique in 1974 (Mérimée notice PA00118354).
Since 1971, the Guyon family has carried out an exceptional heritage restoration that continues to this day, over more than 50 years. The water-filled moat has been cleared, the drawbridge rebuilt using medieval techniques, the keep restored, and rare medieval wall paintings rediscovered and conserved. 18th-century-style gardens have been recreated from period plans and several rooms refitted for events. The work has been awarded several heritage prizes.
2026 prices: adult €10, student/jobseeker €8, child 5–12 €5, free under 5. Guided tour supplement €2. Medieval escape game €18/person, seasonal and by booking. 2026 opening: visits all year by appointment; from 1 July to 31 August, Monday–Friday 1.30pm–6pm without appointment, weekends by booking. Bed-and-breakfast and venue hire available. Summer festivals (early music, medieval theatre). Partial wheelchair access. Free parking.
From Thonon-les-Bains (≈15 min, 12 km) via D903 then D32 towards Brenthonne, follow signs for 'Château d'Avully' (465 route d'Avully). From Geneva (≈45 min, 45 km) via A40 then D903. Free parking at the entrance.
Open in MapsNo direct public transport to Château d'Avully. Bons-en-Chablais SNCF station (Léman Express from Geneva) is 5 km away; a taxi/ride-share or car is recommended. Occasional Haute-Savoie regional coaches Thonon-Brenthonne depending on season.
Open in MapsRural roads around Brenthonne. Chablais greenway 5 km away. Bike parking at the château entrance. Thonon-Brenthonne cycle route via D32 (12 km).
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Booking is required at Château d'Avully outside July-August, by phone on +33 (0)4 50 36 11 59 or at chateauavully.com. From 1 July to 31 August, free access Mon-Fri 1:30pm-6pm without a booking. Weekends and groups (10+) by reservation year-round.
Château d'Avully: adult €10, student/jobseeker €8, child 5-12 €5, free under 5. Guided tour supplement €2. Seasonal escape game €18/person by reservation. Verified 24 May 2026.
Château d'Avully: visits year-round by appointment. 1 July - 31 August: open Mon-Fri 1:30pm-6pm without appointment. Weekends and off-season by reservation. Verified on the official website 24 May 2026 — subject to seasonal changes.
Château d'Avully is a 13th-14th century fortified house belonging to the Saint-Michel d'Avully family (13th-18th century), confiscated during the Revolution, and in ruins by the 19th century. Bought in 1971 by the Guyon family, who have led an exemplary restoration for 55 years. Listed as a Historic Monument in 1974.
Château d'Avully (the official site's canonical name) is also known as Château Saint-Michel d'Avully (the tourist office's name), after the Saint-Michel d'Avully lordly family who occupied it from the 13th to the 18th century. Same site, two historic names.
The seasonal medieval escape game at Château d'Avully: puzzles set in the historic rooms, 1 hour long, €18/person by reservation. Several scenarios. For families and groups of friends. Additional activity at the standard admission price.
Château d'Avully is partially accessible: the courtyard and the moat, visible from the drawbridge, are wheelchair-accessible. The château floors and keep are not accessible (narrow medieval stairs). Free for under-5s.
Château d'Avully is 15 minutes from Thonon-les-Bains (12 km) via D903 then D32 towards Brenthonne. No direct public transport, a car is recommended. Bons-en-Chablais SNCF station (Léman Express) is 5 km away. Free parking at the entrance.
Multi-source verification at publication. Information may change — confirm with the official operator before travelling.