Near Fairbanks and North Pole, the Moose Creek Bluff trails is a 10 mile dirt biking trail. Start at the bottom of the bluff and follow the service road to the top. Once there enjoy a magnificient view of the Alaska range. From there, The trail turns into ATV trail, follow that to the very top past the tower. Watch for side trails, you will find something new every time you go out there.
To reach the dirt biking on the Moose Creek Bluff ATV Trail from Fairbanks, go through North Pole on the Richardson, pass over the Chena Flood channel and 1/2 mile after the bridge on your left you will see the bluff. Park there next to RR tracks.
Note: this trail is on Army Corps of Engineers property. Check with the Corps for current usage restrictions. At last check, they only permitted riding while the ground is frozen from Nov to March.