Already during the
Middle Ages, the canons of the Grand-Saint-Bernard had marked out the road
leading to the famous pass having the same name of post houses
particularly intended to the pilgrims.
Dating back to the fifteenth century and nowadays
preserved as it was on the eighteenth century, the barn post, now
dedicated to the organ, was part of the post house of Roche, of which it
is today the last remnant. Its successive renovations allowed the place to
take in the collection of the Museum of the Organ in 1983. The building
shows an extraordinary framework from the eighteenth century.