Ice-Skating

Keystone Lake Ice Rink. In winter, 5-acre Keystone Lake freezes to become the largest Zamboni-maintained outdoor ice-skating rink in North America. You can rent skates, sleds, or even hockey sticks for an impromptu game. Lessons in figure skating and hockey are available. Weather permitting, skating runs from late November to early March. The smaller Dercum Square ice rink is also available in River Run. Decatur Rd., Keystone, Colorado, 80435. 800/354–4386; www.keystoneresort.com. From $15.