Campground · WY
ISLAND PARK CAMPGROUND
ISLAND PARK CAMPGROUND is generally hard to book. Difficulty holds fairly steady across the 3 months we have reservation data for. The heat strip below breaks down every month — pick one for its full odds, lead-time chart, and easier nearby alternatives.
Booking difficulty by month
Midweek tip: in the busiest month (June), arrivals are lightest on Monday — 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 April 15, 2027 become bookable on October 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
- 10 RV sites
- Max RV length 75 ft
Activities: OFF ROAD VEHICLE TRAILS, ROCK CLIMBING, SCENIC DRIVE, WOOD CUTTING, STAR GAZING, FIRE LOOKOUTS/CABINS OVERNIGHT, WILDLIFE VIEWING, MOUNTAIN BIKING, MOUNTAIN CLIMBING, NON-MOTORIZED BOATING, FISHING, CLIMBING, BOATING, BIKING, CANOEING, BIRDING, KAYAKING, HIKING
How much does it cost to camp at Island Park Campground?
Two non-towed vehicles allowed per site. The first vehicle is included in the basic fee; the second vehicle will be charged an extra $9.00/day fee at the campground.
Fee details as listed on Recreation.gov. Rates and passes change by season, so confirm the current price on Recreation.gov before you book.