Hotels Major ski resort company has new name -- Alterra Mountain Co. By Danny King / January 11, 2018 Share 1 Deer Valley Resort in Utah. -- The KSL Capital Partners-led ski resort group that acquired Mammoth Resorts and Intrawest last year has named itself Alterra Mountain Co. Alterra oversees 12 North American ski resorts, including Colorado's Steamboat and Winter Park; California's Squaw Valley Alpine Meadows and Mammoth Mountain; and Utah's Deer Valley. The group also owns British Columbia's CMH Heli-Skiing & Summer Adventures.The company's investors include Aspen Skiing Co. owner Henry Crown and Co., though Aspen isn't officially part of Alterra."Our vision at Alterra Mountain Co. is to protect and enhance what makes each destination special, inviting guests back to their favorite mountain, and enticing them to visit new destinations on their bucket list," said Alterra president David Perry in a statement.The KSL-led group, which was announced in last April, was officially formed in July when KSL, which already owned Squaw Valley and Alpine Meadows, and Henry Crown officially acquired Intrawest Resorts and Mammoth Resorts. Former Aspen Skiing Co. COO David Perry took over as the new company's president. The group acquired Deer Valley last August.Alterra will be the largest company to take on Vail Resorts' leadership position in the North America ski industry. In addition to its eponymous ski resort, Vail Resorts owns Colorado's Breckenridge, as well as Canada's Whistler Blackcomb and Lake Tahoe's Heavenly.Vail has 13 North American resorts, plus one in Australia.