- Activities Guide of Maine - Nordic Ski Centers
- Fort Kent Outdoor Center - Fort Kent, Maine
- Maine Trail Finder : Search, Discover, Go.
- Harris Farm - Dayton, Maine
- Lost Valley - Auburn, Maine
- Maine Huts & Trails
- Appalachian Mountain Club (AMC) – 100-Mile Wilderness
- Nordic Heritage Outdoor Center – Presque Isle, ME
- Pineland Farms - New Gloucester, Maine
- Quarry Road Trails - Waterville, Maine
- The Outdoor Center at Sugarloaf - Carrabassett Valley, Maine
- Titcomb Mountain - Farmington, Maine
- Viles Arboretum - Augusta, Maine
