Medieval castle, historical monument, overlooking the lake of Serre Ponçon, at the gates of Embrun in the Southern Alps. Presentation of the most beautiful rooms and the garden (history of its progressive construction from the 11th century and its evolution since the end of its military use, recent discoveries on the occasion of its restoration at the beginning of the 21st century) (Association for the Safeguarding and Enhancement of the Heritage and Environment of Crots). The participation fee requested is used to finance the actions of the association throughout the municipality. In order to limit the number of people per group and to regulate attendance throughout the day, advance booking is strongly recommended. Departure every 1/2h Access Accessible by car from the RN 94 to the village of Crots. Parking possible on site within the limits of available spaces . Access for people with reduced mobility.