One of the longest ski runs in the United States lives at Keystone Resort. Schoolmarm is a legendary three-mile green run known for beginner-friendly terrain and scenic cruising from top to bottom. Keywords: Schoolmarm Keystone, Keystone Resort skiing, longest ski runs in the United States, longest green run in the US, beginner ski runs Colorado, Keystone green runs, Colorado ski resorts | Epic Pass

Stay a little longer at Keystone and save a whole lot more. Book lodging direct for great rates. Start planning your stay today! | Keystone Resort