Sun Lakes-Dry Falls State Park has a dump station. Washington State Parks charges $5 per use, with a Discover Pass; campers who paid for camping in this park do not pay the dump fee.
Directions open an external map. They do not confirm that roads or entrances suit your RV.
Know before you arrive.
- Who can use it
- Non-guests welcomeWashington State Parks charges a trailer dump fee of $5 per use, with a Discover Pass. People who already paid for camping in that park do not pay it.
- Dump-station fee
- $5Non-guest dump fee. Discover Pass required.Non-guests$5. Discover Pass required.Registered guestsNo dump fee for this group. People who already paid for camping in this park.
- Service hours
- Dump-station hours are not published in the checked source.Park hoursSummer: 6:30 a.m. - Dusk Winter: 8:00 a.m. - Dusk. These are not confirmed dump-station hours.
- Season & restrictions
- No separate dump-station season is published in the checked source.
- Location
- 34875 Park Lake Road NE, Coulee City, WA 99115Map point marks the middle of the larger property, not the dump-station entrance.
- Drinking-water fill
- Not confirmed in the checked source.
- Rinse water
- Not confirmed in the checked source.
Where the information comes from.
Official information checked October 1, 2026. This is a source check, not an on-site inspection or a live-status guarantee. Operator: Washington State Parks and Recreation Commission.
View evidence from Washington State Parks and Recreation Commission and 1 other source
Sun Lakes-Dry Falls State Park | Washington State Parks
“Six restrooms, 12 showers and one dump station are located nearby.”
“Summer: 6:30 a.m. - Dusk Winter: 8:00 a.m. - Dusk”
Fees | Washington State Parks
“Trailer dump fee $5 per use, with a Discover Pass . You don't have to pay this if you have already paid for camping in the park you staying in.”