Maison forte de Hautetour, Medieval fortress in Saint-Gervais-les-Bains, France.

The Maison forte de Hautetour is a fortified house of stone and rubble masonry standing at about 1,000 m on the slope above Saint-Gervais-les-Bains, facing the Mont Blanc range. Its square keep-like block has thick walls, small openings and a steep roof, with a walled courtyard beside it.

This fortress was built during the medieval period to control key trade routes connecting the valleys. Its location allowed residents to monitor travelers and goods moving between different mountain regions.

The building is known locally as the Maison forte de Hautetour, a name that ties the fortified house to the hamlet of Hautetour above Saint-Gervais. Its thick stone walls and small openings recall a working alpine farmstead that doubled as a refuge, and the name Hautetour refers to the high tower or high turn of the path.

The site is reachable on foot and sits at an elevation that requires moderate hiking from the parking area. It helps to wear sturdy shoes and allow time for the climb, especially if you want to explore the surroundings at a comfortable pace.

This fortress is part of a walking route that connects several medieval fortified structures in the region, revealing how important this area was for control and defense. Along this path you can discover multiple similar buildings that once worked together as a defensive network.