Ukiah Field Office

Off-Highway Vehicles

BLM Seeks Comments on 2015 Off-Highway Vehicle Recreation Proposals
(Click here to read News Release)

For Ukiah Field Office contact: Sarah Mathews, (707) 468-4051,

Child on motorcycle with training wheelsCow Mountain and Knoxville offer a variety of OHV trails of varying skill levels. Cow Mountain consists of 100 miles of roads and trails, 2 staging areas, and 2 "tot lots". 

Knoxville has 52 miles of roads and trails and 1 staging area.

South Cow Mountain is subject to wet weather and special event closures.

Knoxville is available for use year-round. 


Motocycle raceFor maps, closure information, and 24-hour status, please call
(707) 468-4000 or
e-mail the Ukiah Field Office, include your mailing address. 

All off-highway vehicles must meet California State sound level, spark arrester and registration requirements to be operated on public lands. For more information on California OHV regulations and safety information, go to

Bureau of Land Management
Ukiah Field Office
2550 North State Street
Ukiah, CA 95482
Telephone: (707) 468-4000 Fax: (707) 468-4027

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