255 miles of Easiest to Most Difficult trails. Detailed listing of staging areas, campgrounds, trails by types of vehicles and trail conditions can be found on their website. Free dispersed camping on site. Map available from website and from Prineville office.
Easiest, More Difficult, Most Difficult
Year-round. Riding conditions are best in Fall and Spring. Trails get extremely dusty in Summer. Area may be snowed out in Winter months, and some trails/areas may be closed seasonally. Contact land managing agency for trail status.
The following areas have seasonal restrictions to protect wildlife: North Millican, Open May–November; South Millican, Open August–November; Millican Plateau, year-round.Contact land manager for details.
95-99db, depending on vehicle
US Forest Service approved spark arrestors required.
Prineville BLM Office
3050 NE 3rd St
Prineville, OR 97754
(541) 416-6700, 24-hr hotline at (541) 383-4010
Approximately 25 miles southeast of bend on both sides of US 20 near the town of Millican. Access Four-Corners from Alfalfa Market Road.