Northwest of Boise and Cambridge in the Payette National Forest, the Cuddy Mountain area has miles of trails and roads open to off-road motorcycle trails riding.
A good place to start is the Brownlee Guard Station. To reach the station from Cambridge, head north on SR71 to the station. The trails are north of the guard station (#259, #255, #254, #253, #252, #251).
Overall, Cuddy Mountain Area is the 32nd most popular dirt bike trail of all 53 dirt biking rides in Idaho.