Verbier is around 2 hours' drive from Geneva, 1 hour from Chamonix (Col de la Forclaz) and 1 hour from Aosta (Great St. Bernard Pass). The nearest international airport is Geneva Airport. Minibus transfers are available from the airport to Verbier center during the winter ski season. The town itself is small enough to be explored on foot, but free buses run throughout the resort regularly during the day. Verbier’s ski domain ranges from 1500 m (Verbier Village) up to 3330 m (Mont Fort) from which there is a panoramic view of the Alps encompassing the Matterhorn Cervin, Dom, Dent Blanche, Dent d'Hérens, Grand Combin and Mont Blanc massif. It is part of the "Four Valleys" ("4 Vallées") ski area, which includes the ski resorts of Verbier, Nendaz, Veysonnaz, La Tzoumaz, and Thyon with a claimed total of 410 km marked runs. However, an independent expert measured that the real extent of marked runs is 164 km rather than 410 km. The ski area is divided into four sectors: Medran, Les Savoleyres, Mont Fort and Bruson. Verbier forms the western section of the 4 Valleys ski area. A 4 Valley pass allows a tour all the way from Verbier to La Tzoumaz, Nendaz, Veysonnaz, Les Masses, Thyon and back. The Verbier section of the 4 Valleys ski area has recent lifts made by Leitner, CWA, Poma and Garaventa AG; all operated by Téléverbier SA. In Verbier alone, there are 35 lifts (within the Verbier, Savoleyeres/La Tzoumaz and Bruson sector). A standard Verbier pass gives access to this entire sector, 33 standard ski runs, two snowparks, one "Jardin de Neige" (a relatively flat area that is used for small children learning to ski), four cross-country pistes and two walking areas. Verbier is known for its off-piste and itinerary runs. Amongst these are popular mogul fields Tortin, Gentianes, Mont Fort and Plan du Fou as well as more advanced itineraries Vallon D'Arbi and Mont Gelé (which are often closed). Notable off-piste runs are the Backside of Mont Fort, Bec des Etagnes, Stairway to Heaven, Highway, Marlenaz, Croix de Coeur, Bacombe, Col des Mines, Creblets, Couloir de la Banane, Col de la Mouche, The Rocky Garden, The Hidden Valley (down to Auddes-sur-Riddes), Couloir des Dix, Col de la Banane, and the less accessible Bec des Rosses, annual host for the finals of the Freeride World Tour.