Winter sports, such as skiing and snowboarding, are popular activities in the Wasatch Mountains east of Salt Lake City. Eight ski resorts lie within of the city. Alta, Brighton, Solitude, and Snowbird all lie directly to the southeast in the Wasatch Mountains, while nearby Park City contains three more resorts. The popularity of the ski resorts has increased by a third since the 2002 Winter Olympics. Summer activities such as hiking, camping, rock climbing, mountain biking, and other related outdoor activities are popular in the mountains. The many small reservoirs and rivers in the Wasatch Mountains are popular for boating, fishing, and other water-related activities.