Valère's flora is composed of a feather grass (Stipa) species, Ephedra distachya, Indian fig (Opuntia humifusa), hoary berteroa (Berteroa incana), early star-of-Bethlehem (Gagea bohemica), cotton thistle (Onopordum acanthium), motherwort (Leonurus cardiaca) and patience dock (Rumex patientia).

[5] 4.9 hectares (530,000 sq ft) of the Tourbillon Hill are also included in the catalogue of protected places in the category of dry meadows and pastures of national importance.

However, in the late 10th century the last King of Upper Burgundy Rudolph III, granted the County of Valais to Bishop Hugo (998–1017).

In the 12th century the Cathedral Notre Dame de Sion (du Glarier) was built in the town below Valère hill.

During the 13th century, the choir was covered with a Gothic ribbed vault and a rood screen was installed to separate the chancel from the nave.

[11] The church obtained the rank of minor basilica in the Roman Catholic tradition on 7 October 1987, during the visit of Pope John Paul II.

[12][13] The Pipe organ on the west side of the Valère Basilica, believed to have been built in 1435, is one of the oldest functioning in the world.