The Town of Vail is a Home Rule Municipality in Eagle County, Colorado, United States. The population of the town was 5,305 in 2010. The town was established and built as the base village to Vail Ski Resort, with which it was originally conceived. Vail Ski Resort’s first season was in December, 1962 and it is the second largest ski mountain in North America (after Whistler Blackcomb). Vail Mountain rises from 8,120 feet (2,476 m) to 11,570 feet (3,527 m), giving a vertical height of 3,450 feet (1,052 m). It has a 5,289 acres (21 km2) skiable area, 33 ski lifts, 193 marked skiing trails on three faces: the front side, the back bowls, and Blue Sky Basin. The seven back bowls are Sun Down Bowl, Sun Up Bowl, Teacup Bowl, China Bowl, Siberia Bowl, Inner Mongolia Bowl, and Outer Mongolia Bowl. Blue Sky Basin includes Pete’s Bowl and Earl’s Bowl—to commemorate Pete Seibert and Earl Eaton.