Moses Lake Sand Dunes

Moses Lake Sand Dunes


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

Moses Lake Sand Dunes is located towards the middle of Washington State, about an hour and half north of Kennewick, Washington. Moses Lake has 3,000 acres of sand dunes and nearby are the Mud Flats which are 3,000 acres of sand, mud and trails. Moses Lake Sand Dunes and the Mud Flats offer lots of open space to ride around and enjoy off-roading.

Hours of Operation

Moses Lake Sand Dunes is open year round, but the Mud Flats are only open from July 1st to October 1st.


To get to Moses Lake Sand Dunes from Seattle, Washington follow the directions below:

• Take I-90 East out of Seattle for 173 miles
• Take exit 174 then follow Sand Dune Road until you reach Moses Lake Sand Dunes

If you prefer to use a mapping program to navigate to Moses Lake Sand Dunes, click here.

Vehicles Allowed

Most types of off-road vehicle are permitted at Moses Lake Sand Dunes and include:

  • Motorcycles

  • ATVs

  • UTVs

  • 4x4s

  • Jeeps

  • Lifted Trucks

  • Dune Buggys

Vehicle Restrictions & Guidelines

Vehicles must be less than 108 inches in width and keep it under 105 dB. You are required to have a spark arrestor on all vehicles. It’s also highly recommended you have paddle tires or other sand tires.

Trail Types

The park is quite open and primarily sand. You won’t find any trails specific for expert level off-roaders, but there’s still plenty of fun to be had. Steep hills and some jumps can be found throughout the park. Moses Lake Sand Dunes average less than ten inches of rain per year, so expect lots of dust to kick up while you’re riding.

Costs and Permits

You’ll need a permit to ride and camp at Moses Lake Sand Dunes


Camping is pretty open at Moses Lake Sand Dunes, but there aren’t many facilities. You’ll need to bring your own water and there’s only a vault toilet. You’ll be able to access the lake from the Dunes, so be sure to pack for that as well.

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.