Webum > Sports > Winter Sports > Skiing > Nordic > Resorts > North America > United States > Idaho See also Sports > Winter Sports > Skiing > Regional > North America > United States > Idaho Bogus Basin 37 km of trails. Boise, ID. North Valley Trail System 130 km of skiable terrain stretching for 22 miles between Ketchum and Galena Lodge. Sun Valley, ID. Help build the biggest human edited directory on the internet Add your website - Open Directory Project - Become an editor