The origins of this church predate 1606. It was rebuilt and extended in the 17th century. Its understated exterior contrasts with the gold and colours of the altarpieces. In the middle of the altarpiece on the high altar, sculpted by an artist from Valsesia, is a painting of St Martin sharing his cloak. The church contains the tomb of the Blessed Paul, a Spanish pilgrim who set out to cross the Alps in 1721 and whose statue lies along the footpath leading to Le Lou lake. This chapel is open to visitors all year round. Weekly tours organised by an experienced guide with the FACIM (Foundation for International Cultural Action in the Mountains) during the winter and summer seasons.