Millersylvania State Park
Campsite availability and cancellation alerts for Millersylvania State Park.
- Operator
- Washington State Parks
- Campsites we monitor
- 140
- Sections
- 5
Sections at Millersylvania State Park
- Lakeside Cottage
- Group Camp and Kitchen Shelters
- Sites 200-248
- Sites 35-94, Mini Group
- Sites 1-33, 95-131
How cancellation alerts work here
We check every site at Millersylvania State Park around the clock. When someone cancels, the site becomes bookable again — often for only a few minutes. We send you the alert the moment we see it, so you can book it before it is gone.