Geography of Tarn (department)

French regional natural park

thumb|The landscape of the Ségala The Ségala (; ) is a geographical region that straddles the border between the departments of Aveyron and Tarn, in the Occitanie region of southern France. It is known as the land of a hundred valleys- and traditionally grew the grain for all of Aveyron.

The Sidobre is a mountainous area located in the south of the Massif central, in central France. It consists of a plateau made of granite, 15.3 km long, 6.6 km wide and covered with forests. Its highest point is in the lieu-dit “Le Patau” (707 m).