This is the church of a thousant faces that has had various uses throughout its existence. San Juan de Arties is a Gothic church that, according to legend, originally belonged to the Templars, who settled in the valley in the twelfth century. Later, the Order of St John of Jerusalem made it serve as an inn for walkers on the trans-Pyrenean route, and later still it was used for years as the local parish church of Arties. Other uses include its time as military storehouse of the Navy during the Civl War, as a cement deposit during the construcion of the hydroelectric power plants, and as the temporary exhibition hall it is to this day.

It was restored in 1988 and although its origins are Romanesque, it is considered the only fully Gothic church in the valley.

Built at the beginning of the 14th century, it as a church with a single nave with three apses and divided into four sections marked by four pillars. On the noon wall you will find the Gothic doorway, which has four graduated, pointed arches protected by a dust cap a typical element of the area. And look at the bell tower, which starts from a square floor base, but as it rises becomes an octagonal tower.