The museum, situated in the keep, is devoted to modern figurative sculpture. The 700 works in the collection reflect the talent of many famous sculptors, with a preference for works of the 1930s: Bourdelle, Zadkine, Manolo and Pablo Gargallo. It also..

From the bridge in line with boulevard F.-de-Candau stretches a fine view of the confluence of the two rivers. Old houses, the green banks of the Midou and disused quays are a reminder that Mont-de-Marsan was once a port.

The old Prefecture gardens on the banks of the River Douze, with plane trees and magnolias plus works by Despiau dotted around, make a pleasant place for a stroll.

An empty arena looks rather miserable so it is preferable to arrange a visit when a bullfight is being held during the Madeleine festival, or when bulls are being run. A visit backstage includes the chapel and operating theatre.

Goats, sheep, Corsican mouflons, llamas, deer, emus, swans and flamingos roam at large in this park.