Ahtanum State Forest

Ahtanum State Forest


One of Washington State’s Best Places for Off-Roading

Ahtanum State Forest is a large off-roading area with more than 70 miles of trails for lifted trucks, Jeeps, and 4x4s to explore. With so many miles of trails, Ahtanum has a little of something for everyone. Ahtanum State Forest is less than an hour west of Yakima, Washington and three hours to the southeast of Seattle, Washington.

Hours of Operation

The park is open year-round, but snow may cause parts of the park to be inaccessible.


To get to Ahtanum State Forest from Yakima, Washington follow the directions below:

-Take Ahtanum Rd west out of Yakima, Washington until you reach Ahtanum State Forest. You’ll go approximately 29 and a half miles.
If you prefer to use a mapping program to navigate to Ahtanum State Forest, click here.

Vehicles Allowed

Most types of off-road vehicle are permitted at Ahtanum State Forest and include:

  • Motorcycles

  • ATVs

  • UTVs

  • 4x4s

  • Jeeps

  • Lifted Trucks

  • Dune Buggys

Vehicle Restrictions & Guidelines

The facility does not have any vehicle width restrictions, nor for noise, but you are required to have a spark arrestor on all vehicles.

Trail Types

The park and trails are in the forest and it has a good mix of trails for novice, amateur, and expert offroaders. The trails are marked, but only lightly maintained, so be ready for a fun time.

Costs and Permits

You can purchase either a one day pass or an annual pass through the Discover Pass since it is part of the Washington State Parks. A day pass is required for all street legal vehicles and costs $11.50 and annual pass is good for the year and costs $35. Those can be purchased online or at a nearby store.


Ahtanum State Forest has many different campgrounds to choose from. In addition to trails for 4x4, the park also has horseback, mountain biking, and hiking trails.
So what are you waiting for? Check out the online inventory of used trucks in Olympia, then visit South Sound Trucks to test drive the truck of your dreams and find a new weekend warrior to hit the trails with.