Arosa-Lenzerheide is one of more than 350 ski resorts in Switzerland. It is located in the canton of Grisons in the Eastern Switzerland region in the Bernina Range of the larger Western Rhaetian Alps of the Eastern Alps at an altitude between 1,229 and 2,865 m with a difference of 1,636 m. It is one of the nearest large ski resorts to the towns of Thusis and Chur. The main feature of Arosa Lenzerheide ski resort is that it is the second-biggest ski area in Switzerland after 4 Vallées (Verbier, La Tzoumaz, Nendaz, Veysonnaz, and Thyon), not counting also the Les Portes du Soleil, Matterhorn Ski Paradise (Zermatt, Breuil-Cervinia, and Valtournenche), and Silvretta Arena, which are partly located in other countries. The resort has more than 220 km of slopes and more than 40 ski lifts in total. It is best suitable for easy and intermediate skiing — most of its slopes are blue and red. However, for advanced skiers, the resort also has more than 30 km of black slopes. The most common types of ski lifts are a chairlift and a T-bar. The Arosa Lenzerheide season is from early November to mid-April in general.