St. Peter and St. Florus Cathedral, Gothic cathedral in Saint-Flour, France.

St. Peter and St. Florus Cathedral is a Gothic church of dark grey-brown volcanic stone, the black lava of Liozargues, with two massive square towers joined by a lower nave. The towers rise 35 m, the nave 16.50 m, and the building has no transept. Its west front carries an inscription recording dedication by Bishop Antoine de Montgon in 1466.

A first sanctuary housed the relics of Saint Florus, and in 1095 Pope Urban II consecrated a Romanesque basilica on the rock. After the north side partly collapsed in 1396, Bishop Hugues de Manhac had a Gothic cathedral rebuilt from 1398; Bishop Antoine de Montgon consecrated it in 1466. The two lateral towers were demolished between 1862 and 1866.

The cathedral functions as the seat of the local Catholic diocese and remains an active place of worship for the community. Visitors can experience religious services and ceremonies that show how this building continues to play a role in daily life.

The building sits in central Saint-Flour on Place d'Armes and is easily reached through the old streets and arcades of the town center. Interested visitors can join guided tours to learn more about the architecture and history.

The parvis in front of the cathedral stands at 882 metres, which the French sources give as the highest cathedral parvis in Europe. The building itself is modest in size: 65 metres long, 24.60 metres wide, with a 16.50-metre nave and towers of 35 metres. It has no transept, like the cathedrals of Blois and Bourges.