This is a "work in progress" page that is periodically updated as information and maps are received, reviewed and scanned. We list the local, state, regional & national recreational areas designated and approved for riding. If you have riding information you are interested in sharing, please Email
Also, we may refer to ATVs, Dirtbikes/Motorcycles as Bike(s) through out this website unless otherwise noted.
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Grades of less than 10%
Trail tread width of at least 24 inches
Relatively smooth surface.
Easiest: Limited skill with little challenge to travel.
More difficult trail
Short pitches of grades up to 30%
Grades generally 10% to 15%
Trail tread less than 24 inches but more than 12 inches in width
Surface relatively rough
More Difficult: Some skills and challenge to travel.
Most difficult trail
Short pitches of grade over 30%
Grades generally 15% to 20%
Trail tread generally around 12 inches in width
Surface will be rough
Most Difficult: High degree of skill and challenge to travel.
Forest Service Rules & Regulations for Trail Riding
(for more info contact http://www.fs.fed.us/ )
Many Forest Service trails are open to motorcycles. Motorized users (motorcycles and ATVs) need to meet the requirements of Washington State Law and also Forest Service regulations. State Law requires current ORV stickers (issued by the Dept. of Motorized Vehicles). FS regulations require approved spark arresters. Motorized users must stay on designated trails.
Motorcyclists using Forest Service roads must be "street legal," which means they need to have a current state license and operator's license, riders must be wearing a helmet, and the motorcycle must have a headlight, tail light, brake light, horn and left and right side rearview mirror.
The following are recommendations for motorized trail users on Forest Service trails: