East of Lowman in the Boise National Forest, the Kirkham Ridge ATV Trail is a 35 mile route open to ATV riding. The trail starts off SR21 and climbs gradually with vistas of Kirkham Hot Springs and the Sawtooths.
To reach the trailhead from Lowman, head east on SR21 for 5 miles. Park on the right side of the road and the trail starts on the left side.
Note: As of September 2007, ATV riding on Forest Service roads is permitted only on designated roads. All ATVs must have a valid ATV registration. In addition, there is an extensive list of regulations that also must be met. Make sure to call the Boise National Forest HQ prior for a complete list (208) 373-4039.
Overall, Kirkham Ridge Trail is the 15th most popular ATV riding trail of all 55 ATV trails in Idaho.