The 50K Birkie Trail and 54K Birkie Classic Trail are groomed and maintained year round by the American Birkebeiner Ski Foundation. Trailheads are located at: "00" in Seeley, Mosquito Brook Road, Hatchery Park in Hayward, Telemark Resort in Cable, North End Cabin in Cable. Lighted sections for night-time skiing are located at "00" and Hatchery Park. The Birkie and Birkie Classic Trails are maintained by the ABSF year around. The trails are groomed for both skating and classic skiing throughout the winter except for race week when the Birkie Trail is groomed for skating and the Birkie Classic Trail for classic skiing.