Yosemite National Park Pass Ski Area—the oldest downhill skiing area in California, offering downhill skiing from mid-December through early April. Much of the park is open to cross-country skiing and snowshoeing, with several backcountry ski huts open for use. Wilderness permits are required for backcountry overnight ski trips. The Bracebridge dinner is an annual holiday event, held since 1927 at the Ahwahnee Hotel, inspired by Washington Irving's descriptions of Squire Bracebridge and English Christmas traditions of the 18th century in his "Sketch Book". Between 1929 and 1973, the show was organized by Ansel Adams. Bicycle rentals are available in Yosemite Valley spring through
History of the Yosemite area educated about proper food storage. To supplement their incomes, the rangers trapped predators such as coyote, fox, lynx, mountain lion, and wolverine for their furs, a practice that survived until 1925. Predator control continued however; 43 mountain lions were killed in Yosemite by the state lion hunter in 1927. Cooper's hawk and sharp-shinned hawk were hunted to local extinction. Bighorn sheep, which were driven locally extinct through hunting and disease, have been reintroduced in the east of the park. The Park Service and the Yosemite Fund have also helped peregrine falcons and great gray owls to re-establish themselves. Tule elk,