Underdown Trails

21 miles of single track mountain bike, 20 miles of horse trails, and 8 miles of snowshoe trails on this 44,600-acre Underdown Recreation Area. Open to horseback riders, mountain bikers and hikers in the summer and cross country skiiers in the winter. The horseback riding trail network is made up of 20, 18, 12, 10 and 3.5 mile loops, which are marked and maintained. A campground area is also available. The cross country ski area consists of 3, 7, and 11 mile loops of marked and groomed ski trails. The terrain for mountain biking is beautiful, but can also be rugged and challenging. The trails pass through over 4,600 acres of Lincoln County Forest Land.

Hours of Operation

Open year-round, dawn to dusk, for seasonal recreation.


From Merrill, take Highway K North for 8.5 miles. Turn right (East) onto Highway H, then turn right (East) again onto Copper Lake Road. The Underdown parking area will be on the right-hand side of the road.

Free Admission

  • Yes


  • Yes

Natural Attractions Type

  • Parks, Forests, Trails


  • Medium
  • Hard

Trail Length (miles)

  • 21


  • Yes

Cross-Country Skiing/Snowshoeing Trail Type

  • Tracked
  • Flat
  • Hilly
  • Open
  • Wooded


  • Yes