Altissimo Landes on Clmb House. Venue in 251 rue du Gave, Parc d'activité Atlantisud, 40230 Saint-Geours-de-Maremne, France, France. Altissimo Landes has 1,500 m² of climbing: 1,300 m² of rope walls 7.5 to 13 m high with 70 belay stations and 200 m² of bouldering, with around 12,000 holds,...