The Potholes Reservoir is part of the Columbia Basin Project and formed by O'Sullivan Dam. Potholes refers to the many glacial depressions in ancient sand dunes here. These potholes and small islands make this area one of the best in Washington for birding. The best birding is from March through October: Sandhill crane
Maybe — confirm before you go.
Reclamation honors the pass at only a handful of sites — confirm before you rely on it here.
- Fee type Fee unknown — The fee structure here is unconfirmed.
- Source Find on Recreation.gov ↗
- Last verifiedJuly 6, 2026 · Check
- Official pagewww.recreation.gov ↗
- Contact 509-765-6641
Common questions
Quick Yes / No / Depends answers for Potholes Reservoir — always confirm with the managing site before you go.
Depends Does the America the Beautiful pass work here?
Maybe — Reclamation honors the pass at only a handful of sites — confirm before you rely on it here. Check with the managing agency before you go.
Yes Can you fish at Potholes Reservoir?
Yes — fishing is one of the listed activities here. You’ll need a valid state fishing license.
Yes Can you kayak, paddle, or boat here?
Yes — there’s water for boating and paddling at Potholes Reservoir. Hand-launched craft usually need no permit; motorized boats may need registration or a launch fee.
Yes Can you camp at Potholes Reservoir?
Yes — camping is available. Reserve ahead where required; you can check availability on Recreation.gov.
Depends Can you have a campfire?
Sometimes — campfires are subject to seasonal fire restrictions and bans. Always check current fire conditions first.
Yes Are there hiking trails?
Yes — trails here include Frenchman Hills Trail, El Camino Court. Check length and difficulty before you go.
Yes Can you watch wildlife or birds here?
Yes — Potholes Reservoir is a spot for wildlife and bird watching. Keep your distance and never feed animals.
Depends Is hunting allowed?
Yes — hunting is permitted here in season, with the required state license and tags. Check seasons and unit rules.
Yes Can you bring a dog?
Generally yes — dogs are welcome when kept under control (usually leashed). Confirm any local rules.
Nearby sites
Columbia National Wildlife Refuge
CheckThis U.S. Fish and Wildlife Service site may charge a fee your pass covers — confirm before you go.
Desert Wildlife Rec. Area
CheckReclamation honors the pass at only a handful of sites — confirm before you rely on it here.