Green Mountain OHV Trail (#831)

Interagency Annual Pass HangtagThe Green Mountain trail lies Northeast of Prineville in the Ochoco National Forest. The 8.5-mile trail winds along open ridge tops, which offer spectacular views, and passes through beautiful old growth ponderosa pine stands. This trail offers a wide range of scenic views and riding experiences. In the spring, there is a beautiful array of wildflowers. 

The trail system is designed for Class I (Quads, 3-wheelers less than 50" wide and 800 pounds) and Class III (motorcycles) ATVs.

This trail and facilities are operated and maintained for your enjoyment by Central Oregon Combined OHV Operations (a Forest Service, & Bureau of Land Management Cooperative agreement), Oregon Department of Parks and Recreation ATV Funds, support from various user groups and many other volunteers.

View a map of the Green Mountain OHV trail system and vicinity.

At a Glance

Current Conditions: This trail is open year-round.
Fees: No Fee
Permit Info: Oregon State ATV Permit Required
Open Season: Year Around
Usage: Light
  • Trail will close in snow, high fire danger or wet soil conditions.
  • McKay Creek Watershed -Year Round Closure
  • Green Mountain Trail is not an OHV park. Off-highway vehicles are allowed on the designated trail only. Please Tread Lightly by staying on the existing travel routes.
Operated By: Central Oregon OHV Operations
Information Center:
  • Central Oregon OHV Operations: (541) 383 4000
  • OHV Hotline -24 hour recorded information, (541) 383-4010

General Information


North Trailhead:

From Prineville, Oregon:

Go north on North Main Street for about 4 miles.

Stay right at the fork and follow McKay Creek Road / Forest Service Road 27 for about 10.3 miles to the junction with Forest Service Road 33.

Follow Forest Service Road 33 for 4.5 miles to the trailhead at Harvey Gap.

South Trailhead:

From Prineville, Oregon:

Head east on Highway 26 for about 7.5 miles, then turn north onto Mill Creek Croad at the sign for "Wildcat Camp."

Continue north for approximately 5 miles and turn left onto Forest Service Road 100. 

(Forest Service Road 100 is the first Forest Service access road you will come to. It is gated seasonally from December 1 to May 1 to protect wildlife habitat.)

Follow Forest Service Road 100 west for approximately 1/3 mile, before turning left onto Forest Service Road 3380 at a junction marked with a barn and corral.

Continue on Forest Service Road 3380 for approximately 2 miles to the Green Mountain OHV South Trailhead.

General Notes:

McKay Creek Watershed- Year Round Closure


Please check out this information to help make your OHV experience more fulfilling and to learn how you can protect your public lands and Tread Lightly!


OHV Camping

There are no camping areas located immediately adjacent to the Green Mountain trail. There are many dispersed sites in the vicinity and camping is allowed at any of them. Wildcat Campground is the closest developed campground with water and toilets. There is an $8.00 fee per night. There is no garbage collection, so please PACK IT OUT!!

OHV Trail Riding

This trail offers a wide range of scenic views and riding experiences.

Recreation Areas

Recreation Activities


  Area/Length : 
8.5 miles

  Elevation : 
4500 - 5400