Skip to main content
State Park

Photo: brewbooks from near Seattle, USACC BY-SA 2.0Wikimedia Commons

Potholes State Park

Washington · WA

1

Trails

Official sources & verification

Managed by Washington State Parks and Recreation Commission

Verify before you go

Source of truth

Verify by phone or mail

We display cached information from agency feeds. Hours, fees, permits, closures, fire restrictions, and conditions change without notice. Outdoors is not the permitting authority. Confirm current conditions for this park using the links above before you go — you are responsible for compliance. Last verified by us: Oct 25, 2026. Spot an error in our data?

About

Potholes State Park is situated on the southern shore of Potholes Reservoir in Grant County, Washington, approximately 13 miles south of Moses Lake. Established after the completion of the O'Sullivan Dam in 1949, the park spans 773 acres and features 6,000 feet of shoreline. Its distinctive setting combines desert landscapes with freshwater marshes, providing a unique habitat for a variety of waterfowl and other bird species, making it a popular destination for birdwatching. Visitors to Potholes State Park can engage in a range of activities, including camping, hiking, boating, swimming, and fishing. The park offers facilities to support these activities, with ample parking and access to the reservoir for boat launches. The weather can vary, so it's advisable to check conditions before heading out. Given the park's remote location, visitors should plan accordingly. For the latest information on hours, fees, and any potential closures, please verify details on the official state park website before your visit.

Source: parks.wa.gov

From Wikipedia

Potholes State Park is a public recreation area on the southern shore of Potholes Reservoir, located 13 miles (21 km) south of Moses Lake and 13 miles (21 km) northwest of Othello in Grant County, Washington. The state park was created following the completion of the O'Sullivan Dam in 1949. The park's 773 acres (313 ha) include 6,000 feet (1,800 m) of shoreline and facilities for camping, hiking, boating, swimming, fishing, and other water activities. The park has access to Potholes Reservoir.

Source: Wikipedia — text licensed CC BY-SA 4.0. Verify alerts and operational details with the managing agency below.

Reviews

No reviews yet

Be the first to share your experience and help others plan their visit.

Hunting in this park

This park overlaps hunting units

During hunting seasons, wear blaze orange and check regulations — see the Washington hunting page

Spot an error in our data on Potholes State Park?