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Moses Lake Sand Dunes

Thursday, December 12, 2024

Dune Map

Other Names

Grant County ORV Area, Potholes Reservoir, Mud Flats

Last Known Status

Open

About 3,000 acres of year-round rolling inland sand dunes are available here for motorized use. Adjacent to the sand dunes is an area called the Mud Flats, which is an additional 3,000 acres of sand, mud and trails to explore but is only open from July 1 through October 1.

Camping is permitted but there are no services except for a vault toilet, so bring your own shade and water. Direct access to the lake makes this a choice spot so you can bring along the water toys too. Note that the dunes are covered with volcanic ash and tend to be little dusty.

A paddle tire is not required but new riders may want to bring something like a Sand Snake paddle tire for motorcycles or Sedona Cyclones sand tires for ATVs. Failure to use a sand tire in deep sand can sometimes result in unnecessary wear or damage to your vehicle.

Dune Area Map... Nearby ATV Dune Areas...

REGULATIONS

Permit Required	Yes	WA ORV Tab
Dates Open	Year-Round
Other ATV Stickers Accepted	Unknown
Spark Arrestor	Yes	A spark arresting exhaust silencer or end cap is required for all vehicles.
Noise Limit	Yes (105 dB)
Whip Flags	Yes (108 inches)	Whip Flags Required For Safety
Maximum Vehicle Width	No Restriction
Motorcycles & Dirt Bikes	Permitted
ATVs	Permitted
UTV & SXS	Permitted
4x4 & Jeeps (registered)	Permitted
Dune Buggy & Sand Rail 4x4 (unregistered)	Permitted
2 Stroke Engines	No Restriction
MX Helmet Required	Yes
Camping	No Restriction	(camp anywhere) camping restricted during three day holiday weekends
Campfires	No Restriction	small fires permitted - no wood pallets or anything with nails
Night Riding	Unknown
Trail Blazing	Permitted
Alcohol	Prohibited
Rule Enforcement	Strict	Dedicated Rangers/Officers Jeep/SUV Patrol ATV/Saddle Mounted Patrol

TERRAIN

Approx Size	3,000 acres (5 sq mi)
Climate Type	Inland Dunes
Elevation	1000 to 1100 ft.
Trail Maintenance	Unknown
Loose Dirt	None
Hard Pack	Little
Sand	Mostly	paddle or sand tire recommended for best experience
Mud	None
Dust	None
Rocks	None
Trees	None
Steep Hills	Some
Water Crossings	None
Small Jumps	Some
Large Jumps	Some
Berms	None
Single Track	None
Roads	None
Shade	None
Hazards	Few	(hazards assumed marked but use caution)
Novice	Little
Amateur	Some
Expert	None

TYPE OF AREA

Area	Off-Road Dunes

Land	County Land

GPS POINTS

KEY SERVICES

Gasoline	5-20 Miles (N)	Exxon (509) 765-1873
Diesel	5-20 Miles (N)	Exxon (509) 765-1873
Water	5-20 Miles (N)	Exxon (509) 765-1873
RV Hookup	5-20 Miles (N)	Desert Oasis RV Park (509) 764-5319
RV Disposal	5-20 Miles (N)	Desert Oasis RV Park (509) 764-5319
Campground	5-20 Miles (SW)	Potholes State Park Campground (360) 902-8844
Conv Store	5-20 Miles (NE)	Moses Lake Market (509) 765-0888

FEES & PASSES

Parking	(None)
Entry	(None)
Riding	(None)
Camping	(None)

RATINGS

Our Rating	Good
Recommended Stay	Full Day
Comments	(Scroll Down For Rider Reviews & Comments)

DRIVING DIRECTIONS

Nearest City

Moses Lake, WA

Address

Sand Dune Road, Moses Lake, WA 98837

Dune Map

From: Spokane, WA
1) Take I-90 West to Exit 174
2) Turn left (south) off the exit ramp, continue .2 miles
3) Turn left (east) at the T-intersection, continue .4 miles
4) Turn right (south) onto Sand Dune Road, continue about 4 miles toward the dunes.