The lifts of Tignes have been managed since 1967 by the company STGM (The Société des Téléphériques de la Grande Motte). Many lifts are fast 6 or 8 person chairlifts and there are 113 snow cannons which produce 450,000 m2 of artificial snow each year. The ski area is linked through easy access with the adjacent resort of Val-d'Isère, combining to for the Tignes-Val d'Isere ski area (formerly known as Espace Killy). At 4.2 km, Tignes boasts the 4th longest funicular in the world. Ski trails in Tignes reach a height of 3456 m, aiding its reputation as one of the best resorts in the Alps for snow sureness.