Wellesley Island State Park Campground
New York
Sold out? We check Wellesley Island State Park Campground for cancellations and email you the moment a site opens.
Cancellation alerts
Sold out for your dates?
We check every site here and alert you when one opens.
Free to start. Email alerts included.
As of October 2026, Wellesley Island State Park Campground is a campground in New York with 436 campsites. Wellesley Island State Park Campground is booked through New York State Parks.
- PermitSnag checks Wellesley Island State Park Campground for availability and tells alert holders when a site opens up.
- Wellesley Island State Park Campground is located at 44.3292° N, 76.0242° W.
Wellesley Island State Park Campground reservations and next available dates
October 2026
Campsites at Wellesley Island State Park Campground
At a glance: Setting: River.
Things to do: boating.
About Wellesley Island State Park Campground
Wellesley Island State Park has the largest camping complex in the Thousand Islands region. Secluded wilderness sites nestled along the banks of the St. Lawrence River are accessible only by foot or boat.
Reserve America state parks campground cancellations →
Wellesley Island State Park Campground FAQ
How hard is it to get a campsite at Wellesley Island State Park Campground?
Wellesley Island State Park Campground is rated "Easy to Book" based on historical demand. With 436 sites available, you have good chances of finding availability, especially on weekdays.
How do I find last-minute availability at Wellesley Island State Park Campground?
Cancellations happen frequently at Wellesley Island State Park Campground, especially 1-2 weeks before check-in dates. PermitSnag monitors availability 24/7 and sends instant alerts when sites open up due to cancellations. This is often the best way to snag popular campsites.
How many campsites does Wellesley Island State Park Campground have?
Wellesley Island State Park Campground has 436 campsites.
Campgrounds
Browse Campsites
Monitor campsite availability across federal and state parks. Get alerts when sites open up at sold-out campgrounds.
New York
8 popular campgrounds
- Buttermilk Falls State Park Campground
- Camp Gateway- Brooklyn Ny Campground
- Peekamoose Blue Hole Campground
- Stoney Pond State Forest Camping Area
- Verona Beach State Park Campground
- Bear Spring Mountain Campground
- Beaverkill (John and Patricia Adams Campground at)
- Bowman Lake State Park Campground
California
8 popular campgrounds
- Atwell Mill Campground
- Buckeye Flat Campground
- Canyon View Group Sites
- Cold Springs Campground (Ca)
- Crystal Springs Campground (Ca)
- Crystal Springs Campground Mid-Sized Group Sites
- Death Valley Backcountry Roadside Camping
- Indian Cove Group Campground
Oregon
8 popular campgrounds
- Little Crater Lake Campground
- Cave Creek Campground
- Acorn Woman Lakes Campground
- Big Lake West Campground
- Bolan Lake Campground
- Cavitt Creek Falls Recreation Site
- Clearwater Falls Campground
- Cultus Lake Boat In - West Campground
Utah
8 popular campgrounds
- Canyonlands National Park Needles District Campground
- Devils Garden Campground
- Natural Bridges Campground
- North Campground (Ut)
- South Campground (Ut)
- Sunset Campground (Ut)
- Watchman Campground
- Anderson Meadow Campground (Fishlake NF, Ut)
Ohio
8 popular campgrounds
- Grand Lake St. Marys State Park Grand Lake West Bank Marina
- Kiser Lake State Park Kiser Lake Grandview Area Tie Ups Campground
- Lake Logan State Park Lake Logan Marina Beach 1-18 Campground
- Lake Loramie State Park Earls Island Dock Back Campground
- Pike Lake State Park Pike Lake Cabins and Day Use Shelters
- Scioto Trail State Park Stewart Lake Campground
- Buck Creek State Park G Dock Campground
- Buckeye Lake State Park Fairfield Beach a Docks Campground
Minnesota
8 popular campgrounds
- Cass Lake Loop Campground
- Fenske Lake Campground
- Glacial Lakes State Park Lower Campground
- Jeanette Lake Campground
- Lake Bronson State Park Lakeside Extension Campground
- Lake Maria State Park Backpack Campsites
- Lake Shetek State Park Prairie Campground
- Maplewood State Park Grass Lake Campground: Hollow Loop
One tick helps us more than you’d think
Google lets you pick the sites it highlights for you. Add PermitSnag and our campground pages get marked as one of yours in AI Overviews and AI Mode.
Takes less than a minute.