The museum is rich in many collections: the plan LEZAT; collection Julien Sacaze offered by his widow on archaeological finds found in the country and a library of Luchon Pyrenees Bertrand de Grosse collection with a set of lithographs, drawings and prints on the Comminges, the ethnographic collection gathered together by Louis Saudinos tools and artefacts relating to the Arts and Popular Traditions. This collection is one of the richest in the South of France; Alban Rouge collection of winter sports.