Nature and built heritage
château de Château-Gontier · Château-Gontier-sur-Mayenne · Mayenne
- When
- Saturday, September 19, 2026
- 10:00 AM – 12:00 PM
- Where
- château de Château-Gontier
- Quai Docteur Georges Lefèvre, Château-Gontier-sur-Mayenne
- Conditions
- Free entry
Accompanied by a heritage guide, discover urban wildlife in an ancient city full of surprises.
Programme published by the venue on the French Ministry of Culture’s calendar. Official event page