Massachusetts:
Weston Ski Track | $20/day | (617) 965-5110
Maine:
Inland Woods + Trails (formerly Bethel Village Trails) | $20/day | (207) 824-6276
New Hampshire:
JacksonXC | $17/day | (603) 383-9355
Waterville Valley Adventure Center | $23/day | (800) 468-2553
Vermont:
Woodstock Inn and Resort Nordic Center | $30/day | (802) 457-6674