Campground · WA
EAST SULLIVAN
Booking is hardest here in July (8/10) and easiest in June (6/10). Pick a month below for the full breakdown.
Booking difficulty by month
Midweek tip: in the busiest month (July), arrivals are lightest on Tuesday — shift your dates to improve your odds.
When reservations open
Booking window
Reservations open on a rolling 6-month window at 7:00 AM America/New York.
For example, sites for January 15, 2027 become bookable on July 15, 2026. Set a reminder a few minutes before release for the best shot.
Standard Recreation.gov 6-month rolling window: sites become bookable 6 months before arrival at 7:00 AM ET.
Sites & amenities
- 46 RV sites
- 38 accessible sites
- Max RV length 55 ft
Activities: SWIMMING SITE, HIKING, CAMPING, BOATING, BIKING, BEACHCOMBING, CANOEING, DAY USE AREA, FISHING, KAYAKING, MOTOR BOAT, MOUNTAIN BIKING, NON-MOTORIZED BOATING, PADDLING, PADDLE BOATING, PHOTOGRAPHY, SAILING, SNORKELING, WATER ACCESS