Sion, Switzerland and library, the church of the Notre-Dame de Valère and the church of St-Théodule. The remains of a neolithic settlement and the modern city of Sion are also on the list. The entire town of Sion and the village of Bramois are both part of the Inventory of Swiss Heritage Sites. A characteristic of Sion is its medieval townscape, dominated by the hills Valère () with the Basilique de Valère (12th–13th century), and Tourbillon () with the ruins of the Tourbillon Castle. The Valère Basilica is the church on top of the southern of the two mottes, at the east
Lauda Sion Lauda Sion "Lauda Sion Salvatorem" is a sequence prescribed for the Roman Catholic Mass for the feast of Corpus Christi. It was written by St. Thomas Aquinas around 1264, at the request of Pope Urban IV for the new Mass of this feast, along with "Pange lingua", "Sacris solemniis", "Adoro te devote", and "Verbum supernum prodiens", which are used in the Divine Office. The Gregorian melody of the "Lauda Sion" is borrowed from the eleventh-century sequence "Laetabundi iubilemus" attributed to Adam of Saint Victor. The hymn tells of the institution of the Eucharist and clearly expresses the belief of the