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Become a partnerDiscover the ruins of the Château de Chaumont, a former châtellenie of the Counts of Geneva razed around 1630, and the medieval village perched on a spur overlooking the Rhône, on a guided tour with the Guides du Patrimoine Savoie Mont Blanc.

The Château de Chaumont, whose romantic ruins still crown a rocky spur above the Rhône, was one of the strongholds of the County of Geneva. Until the early 15th century it housed a châtellenie — an administrative and military district — controlling a vast territory in the south-west Genevois. The sale of the County of Geneva to the Count of Savoy in 1401 was a decisive blow: stripped of its strategic role, the fortress was no longer maintained.
The killing blow came around 1630, during the War of the Mantuan Succession: the royal troops of Louis XIII attacked and razed the castle. Since then the ruins have crumbled, but the site retains a strong atmosphere, perched above the village, with a wide panorama over the Rhône valley, the Vuache range and (on clear days) the Jura.
The Heritage Guides of the Pays d'art et d'histoire run themed walks ("Castles and lords of the Genevois") that include Chaumont alongside other châtellenies. Free walk around the village; the ruins themselves are visible from marked paths.
Transport data verified on 2026-06-15 · source transport.data.gouv.fr (Licence Etalab 2.0)
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Björn S. · CC BY-SA 3.0 · Wikimedia Commons
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The village and ruins of the Château de Chaumont (74270) are the remains of a former châtellenie of the Counts of Geneva. The castle was razed around 1630 by Louis XIII's troops. The site is freely accessible and can be visited on a guided tour.
The site of the ruins of the Château de Chaumont is freely accessible. For a guided tour, book with the Guides du Patrimoine Savoie Mont Blanc, who offer tours of the village and ruins year-round by appointment.
The ruins of the Château de Chaumont are open 24/7 year-round. Guided tours by the Heritage Guides are by reservation. Checked on 10 June 2026.
Access to the ruins of the Château de Chaumont is free. Guided tours by the Guides du Patrimoine Savoie Mont Blanc are paid — rate to be confirmed depending on format (individual/group). Checked on 10 June 2026.
The Château de Chaumont was the seat of a châtellenie of the Counts of Geneva until 1401, when the county was sold to Savoy. Gradually abandoned, it was razed around 1630 by Louis XIII's royal troops during the War of the Mantuan Succession.
Allow 1 hr in free access to explore the ruins of the Château de Chaumont and the medieval village, and 1 hr 30 to 2 hr on a guided tour with a Guide du Patrimoine Savoie Mont Blanc.
No, the site of the ruins of the Château de Chaumont is not wheelchair-accessible: dirt paths, steps, uneven ground on a rocky spur. Walking shoes recommended.
Free parking in the village of Chaumont. The ruins of the castle and the medieval village are reachable on foot from the car park in a few minutes.
Multi-source verification at publication. Information may change — confirm with the official operator before travelling.