Fee: Discover Pass required: $10 day / $45 annual. Other fees: watercraft launch $7/day; trailer dump $5/use; overnight unattended vehicle $10/night; other entrance fees vary. Reservations: Washington State Parks reservation system
About this park
Lake Easton lies off I-90 between Seattle and Ellensburg and is a handy escape for people with limited time. It is far enough east to sometimes see sun when Seattle is under gray skies. Hours are 6:30 a.m. to dusk in summer and 8 a.m. to dusk in winter.
Lake Easton State Park FAQ
Where is Lake Easton State Park located?
Lake Easton State Park is in Easton, Washington, at 150 Lake Easton State Park Rd. GPS coordinates: 47.24432, -121.18577. Get directions.
Is there an entrance fee at Lake Easton State Park?
Discover Pass required: $10 day / $45 annual. Other fees: watercraft launch $7/day; trailer dump $5/use; overnight unattended vehicle $10/night; other entrance fees vary. Reservations: Washington State Parks reservation system. Fees can change by season, so confirm with the park before you go.
How do I contact Lake Easton State Park?
You can call (509) 656-2586. The park office can confirm RV site availability, hookups, length limits and current conditions.
Are there RV campgrounds near Lake Easton State Park?
Yes. The closest RV-friendly campgrounds listed on ParkedRV are:
- Wish Poosh Campground (5.3 mi, reservable)
- East Kachess Group Site (5.3 mi, reservable)
- Kachess (8.1 mi, reservable)
How current is this information about Lake Easton State Park?
This listing was last updated on October 9, 2026. If something is out of date, let us know and we'll fix it.