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Maison des Minéraux

Geology museum in a former rural school in Saint-Hernot: rocks of the Crozon peninsula, fluorescent minerals and a rock garden.

Opening hoursAdmission €8 Wheelchair accessible
Maison des MinérauxOpening hoursAdmission €8

About the museum

The Maison des Minéraux occupies a former rural school in Saint-Hernot, between Morgat and the Cap de la Chèvre. It presents the environment of the Crozon peninsula, of Finistère and of the Armorican Massif. It is run by the association Centre Régional d’Étude et de Promotion du Patrimoine Naturel.

The visit route passes through several rooms: a hands-on room with a digital sandbox, the geology of the peninsula and its fossils, the rocks and minerals of the Armorican Massif, including the collection of Quimper geologist François Le Bail (1903–1979), a room devoted to the nature reserve, and a room of fluorescent minerals. The route continues into the Jardin Insolit(h)e des roches de Bretagne, which covers 5,600 m² and displays 27 Breton rocks in creative installations.

The association offers activities all year round: nature and geology walks, workshops with Professeur Kaolin, guided tours and a fablab. It also welcomes more than 6,000 pupils a year for school activities approved by the Éducation nationale.

Highlights

  • Geology room of the Crozon peninsula and its fossils
  • Rock collection of the Armorican Massif by François Le Bail
  • Room of fluorescent minerals
  • Digital sandbox and puzzle game for children
  • Jardin Insolit(h)e des roches de Bretagne (5,600 m²)

Permanent exhibitions

  • La géologie de la presqu’île de Crozon – This room tells the story of how the peninsula was formed, through its rocks and the many fossils of the region.
  • Roches et minéraux du Massif armoricain – The collection of geologist François Le Bail brings together rocks and minerals that are among the oldest in France.
  • Jardin Insolit(h)e des roches de Bretagne – This 5,600 m² garden displays 27 Breton rocks in installations that combine art, science and nature.
Operated by
Association Centre Régional d’Étude et de Promotion du Patrimoine Naturel (CREPPN)
Director
Armel Ménez

Admission & discounts

Adults€8
Reduced€5.50Students, job seekers, people with disabilities and partners
Children & teens€5.50Youth rate for ages 7 to 18.
Visitors with disabilities€5.50
Students & apprentices€5.50
Groups (10+ people)€6 per personSelf-guided visit for adult groups: €6 per person; guided tour: €8 per person. Free for the group leader and the bus driver.
Families€23Family card for 2 adults and 2 children.
Carte Pass Musées Presqu’île€7
Individual seasonal subscription card€14

2026 rates for the museum and the garden. Activities (walks, workshops) have their own rates. Payment by cash, bank checks, bank cards, Chèques-Vacances; bank transfer for institutions.

Accessibility

  • Wheelchair accessible
  • Elevator: no information
  • Accessible restroom: no information
  • Accessible parking: no information
  • Service dogs welcome
  • Tactile models & exhibits: no information
  • Sign language tours: no information
  • Easy-to-read materials: no information
  • Audio description: no information

The museum visit is wheelchair accessible; some workshops on the upper floor are not. Dogs are welcome.

Kids & families

Great for kids & families

Family ticket€23 · Family card for 2 adults and 2 children.
  • Family tours & workshops
  • Activity booklet, scavenger hunt or kids’ audio guide
  • Hands-on stations

The hands-on room offers a digital sandbox, a story for children and a puzzle game to find “Jojo le trilobite.” In the garden, children can play with creations made from Breton rocks. Workshops with Professeur Kaolin and “bidouilles” walks are offered to families.

Getting there & parking

By car

Parking available

Large parking areas are located around the museum.

From Crozon, follow the direction of Morgat, then the Cap de la Chèvre; the museum is at the entrance to the village of Saint-Hernot. According to a route calculator shown on the museum’s page, it takes about 58 minutes from Brest and 1 hour from Quimper by car, and 18 minutes by bike from Crozon.

Get directions

Amenities & dining

  • Museum shop

Shop with books, educational games, minerals and stones from the region. There is no restaurant in the museum: a crêpe food truck and a world-cuisine stand often set up in front of the entrance. Picnicking is possible in the museum garden with a visit ticket, and in the public Ty-Skol garden behind the museum, which has tables, restrooms and a water point.

Events & venue rental

The museum hasn’t published any information on this.

Plan your visit

Guided toursyes
School programsyes
Good to knowVisits are self-guided; guided tours take place at fixed times. Groups of 10 or more people who want a guided tour must register in advance. Part of the team speaks English; the English translation of the website is in progress.

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