Church of Saint François de Sales

The site was chosen after Saint François de Sales planted a wooden cross in 1597. Indeed, in 1597, Saint François de Sales had set himself the goal of "reconquering" the Chablais region, a territory that had turned Protestant. He and his missionaries therefore organized religious events in Annemasse and erected a large cross opposite Geneva (which was sure to provoke a reaction from the Calvinists). Faced with Calvinists, Protestants and Antoine de la Faye, Saint François de Sales defended the cult of the "Holy Cross" and its representations, and published La défense de l'étendard de la Sainte Croix.

This defense of the Holy Cross and the desire to bring Catholicism back to the Chablais region meant that the wooden cross planted by Saint François de Sales became a place where a chapel was built before the Ambilly church was established and consecrated by Bishop Cesbron of Annecy on November 9, 1941.

A particular feature of this church is the absence of a bell tower, as financial resources in 1941 did not permit the construction of a steeple. When the church was renovated in 1971, new plans were proposed, including a steeple, but the project never came to fruition and remains under study to this day. The church's steeple houses a 20th-century hand-operated bell in A-flat 4, apparently cast by Paccard in Annecy.