Approximately 90 mi (145 km) west of Denver, Keystone is most well-known for the Keystone Resort. From a base area elevation of 9400 ft (2865 m), the Resort offers more than 2,000 acres (809 ha) of skiing on three mountains reaching elevations of 3,000 ft (914 m). Only 5 mi (8 km) north of Keystone, the Arapahoe Basin ski area boasts the highest skiable terrain in North America. After ski season, which frequently extends into July and sometimes into August, numerous outdoor activities are also available, from rafting area rivers to canoeing at the Dillon Reservoir to hiking The Colorado Trail. Challenging golf courses are also provided by the Keystone Ranch Golf Course and the River Course at Keystone. Another popular recreation site is Pike National Forest, which features fishing streams, wilderness areas, campgrounds, scenic byways and miles of trails.