The 10 most beautiful castles in Ain
10 châteaux
Chosen among 260 recorded castles
What to see in Ain when you only have a weekend: the 10 most visited castles according to their visitors’ reviews, among those open to the public whose visiting conditions we checked on the official website. For each: what you see, the entry price, the link to the full entry.
Ranked by renown: how often their name is searched on Google each month, and how many reviews visitors have left. “Beautiful” is your word; what we measure is what visitors choose.

No. 1
Voltaire's château
Ferney-Voltaire
Voltaire bought this estate in 1758 and lived there for twenty years, having the earlier building torn down to raise the house that stands today.
Adult €9Hours, prices and access
No. 2
Château de Corcelles (Trévoux)
Trévoux
Corcelles Castle, built in the mid-nineteenth century near Trévoux, is a manor house converted into a hunting lodge. Its main feature is a salon decorated in the Italian style with painted scenes of hunting, reflecting the aristocratic tastes of its era.
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No. 3
Château de la Garde (Garde Castle)
Bourg-en-Bresse
In Bourg-en-Bresse, the château de La Garde is a neo-Palladian villa built between 1870 and 1875 on an estate whose origins may go back to the Middle Ages. Visitors can walk through a 14-hectare park planted with tree species from around the world, and see former stables converted into a space for cultural activities.

No. 4
Château de Fléchères (Fléchères Castle)
Fareins
Built in a single campaign between 1610 and 1616 by Jean de Sève on the remains of a medieval fortified house, the château de Fléchères retains its four corner towers, deep moats and stone bridge.
Adult €13Hours, prices and access

No. 5
Château de Treffort (Treffort Castle)
Val-Revermont
The château de Treffort stands at the top of the village, in the Revermont hills, on a fortified site dating back to the 10th century. The medieval stronghold was destroyed in 1641 during the Franco-Spanish war and later rebuilt in the early 20th century by the architect Tony Ferret, who lived in Treffort.
Adult €9Hours, prices and access
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No. 6
Château de Saint-Bernard (Saint-Bernard Castle)
Saint-Bernard
Standing above the village of Saint-Bernard in the Ain department, this fortified castle dating from the early 14th century once formed part of a defensive line facing Savoy.
No. 7
Château de Chazey-sur-Ain (Chazey-sur-Ain Castle)
Chazey-sur-Ain
Standing on the high ground overlooking the village of Chazey-sur-Ain, this 12th-century fortified castle carries eight centuries of history, from the lords of Coligny to the House of Savoy.
No. 8
Château de Joyeux (Joyeux Castle)
Joyeux
In Joyeux, in the Ain department, this château built between 1897 and 1902 owes its architecture to a landscape designer, Henri Duchêne, in what was his only built project.
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No. 9
Château de Versailleux (Versailleux Castle)
Versailleux
At the entrance to the village of Versailleux, in the Dombes region, stands a square keep dating from the 12th century, the last remnant of the fortified castle of the Lords of Vassalieu.

No. 10
Château de Montplaisant (Montplaisant Castle)
Montagnat
The château de Montplaisant stands in Montagnat, near Bourg-en-Bresse in the Ain department. Built in the 18th century, this classical residence has a long facade with a columned porch and overlooks a park with clipped hedges and a chestnut tree avenue.
Every castle in Ain (260)Which ones open this weekend?
Frequently asked questions
- What is the most beautiful castle in Ain?
- The most visited in Ain is Voltaire's château, first in this selection according to its visitors’ reviews. All 10 castles listed are open to visitors with checked hours.
- How much does a visit cost?
- The adult entry price is shown under each castle when the official website publishes it; 0 of these castles are free.
- How is this selection made?
- Among the 260 castles recorded in Ain, we keep those open to the public with a photo, then rank by number of Google reviews. No castle pays to appear.