Discover the fortified heritage of the Esseillon barrier, especially the Redoute Marie-Thérèse. Why these forts, what is a redoubt, why in this part of the valley, how and by whom were they built, when?


Discover this unique art with a certified Savoie Mont Blanc heritage guide.

Period of opening

From 07/07 to 25/08, every Tuesday between 3 pm and 4.30 pm.

From 28/12 to 26/04, every Tuesday between 2 pm and 3.30 pm.

Additional welcome

Dress warmly because the fort is not heated.
Bring shoes adapted to the snow.

Equipment & services

  • Pets welcome
  • Pets supplement


Full price: 5.50 €, Adult: 5.50 €, Child : 4.50 €, Group adults: 4.50 €, Group children : 2 €.

Free entry for children < 7 years.
Child entry valid for 7 - 15 years.

Languages ​​spoken

  • English English
  • French French
  • Italian Italian



Dogs on a leash.


By car: From Chambéry, Albertville, Grenoble take the highway A43 Torino / Tunnel du Fréjus exit n°30 Modane. Drive trough Modane and follow the RD 1006 in the direction of Lanslebourg during 5 km.

Let's go

Practical information

Redoute Marie-Thérèse
Redoute Marie-Thérèse
Barrière de l'Esseillon
73500 Avrieux
Mail Contacter le prestataire