Yoho National Park (yōˈhō) [key], 507 sq mi (1,313 sq km), SE British Columbia, Canada, in the Rocky Mts. at the Alta. border; est. 1886. It lies W of the Continental Divide, adjoining Banff and Kootenay national parks, and contains lakes, glaciers, waterfalls, and high mountains, with a number of peaks more than 10,000 ft (3,048 m) high. Park headquarters are at Field, which is a center for mountain climbing.