Campsite evenings
Folding Camping Chair · Adult
For an outdoor sitting area at camp; check packed size against your vehicle storage.
RV & camping guide
Thousand Islands by RV
45 min from ARTCamping score 8/10Trip snapshot
Arrival airport- ART
- Airport drive
- 45 min · estimate
Suggested stay- 2–4 days
Reservation demand- Lower · check current rules
Vehicle notes- Standard cars are ideal for Seaway Trail driving. RVs should check bridge clearance for Wellesley Island.
Book in this order
Your route
ART
Watertown International Airport
Thousand Islands
About 45 min · 35 mi by car, no stops. Estimate only.
Vehicle & road notes
Which vehicle
Standard cars are ideal for Seaway Trail driving. RVs should check bridge clearance for Wellesley Island.
fuel
Marine and Road Supply
Standard fuel is readily available in Alexandria Bay and Clayton. Boaters should identify marinas with marine-grade fuel before entering the remote island channels.
signal
Border Connectivity
Cell signals may frequently switch to Canadian towers near the border. Check roaming settings to avoid unexpected international data charges while on the water.
parking
Mainland Launch Points
Public parking in Clayton is concentrated near the museum and waterfront. Peak summer weekends see lots fill quickly near the Alexandria Bay tour docks.
Campground reservations
Historic Island Access and Seasonal Tour Planning
Access to Heart Island and Dark Island is restricted to operating seasons, typically mid-May through October. While no park entry permit is required, boat tour tickets and castle admission are separate costs and often sell out during summer weekends. State park camping at Wellesley Island can book out nine months in advance, requiring an official New York State Parks check.
Official source2 · Choose a motorhome or campervan
Fleet rentals from established depots. Compare pick-up cities against your flight.
Prefer a car and campground trip?
- ✓ Compare suppliers at ART
- ✓ Free cancellation on many rates
Standard car rentals at ART
Est. from $45/day · typical rate
Pick your dates and vehicle class.
Compare rates at ART
- ✓ Compare suppliers at ART
- ✓ Free cancellation on many rates
SUV rentals at ART
Est. from $55/day · typical rate
Pick your dates and vehicle class.
Compare rates at ART3 · Where to park the rig near Thousand Islands
Private campgrounds and RV parks outside the park, plus overnight stops for members.
RV parks near Thousand Islands on RoverPass
Book RV parks and campgrounds online with full hookups near the park.
Check campground availability
Campsites near Thousand Islands on Campspot
Private campgrounds, cabins and glamping just outside the park, often with availability when park sites sell out.
Check campground availabilityTraveling by RV near Thousand Islands?
Stay overnight free at wineries, farms & breweries
Harvest Hosts membership: 5,000+ unique RV stops. WildParkRoutes readers get 20% off the first year.
Your route
Day 1 · Gilded Age Castles and River Vistas
Boldt Castle → Singer Castle
Day 2 · River Heritage and Maritime History
Antique Boat Museum → Rock Island Lighthouse State Park
Day 3 · Granite Shorelines and Nature Trails
Minna Anthony Common Nature Center → Eel Bay
Viator
Tours & experiences near Thousand Islands
Explore guided activities around Thousand Islands. Check the meeting point, dates and availability on Viator before booking.
Open tour listings separatelyCurated Trip Essentials
Five picks for Thousand Islands
Water on walking days
2L Hydration Pack
Carry drinking water on longer walks; refill before leaving services.
Uneven walking trails
Adjustable Trekking Pole
An optional support on uneven walks. Check trail rules, pole length and airline baggage rules.
Cool-weather stops
Thermal Neck Gaiter · 2-pack
For cold or windy stops. Confirm fabric, fit and the two-pack variant at the store.
Wildlife & night viewing
OWLER1 Night Vision Binoculars
20X optical zoom · 500m IR range. Check park rules before using lights at night.
$294.99 USD · store price
Shop at WILDGUARDEROptional picks, not a complete packing or safety list. Photos from the ROCKBROS and WILDGUARDER stores. Prices as of 2026-10-19 / 2026-10-20; price, stock and shipping may change.
Quick answers
Can I take an RV to Thousand Islands?
Yes, Thousand Islands is a good fit for camping trips. Check vehicle length limits on park roads and campgrounds before you book, and plan fuel stops on remote stretches.
Where do I pick up an RV for Thousand Islands?
The nearest airport is Watertown International Airport (ART), about 45 min away by car. Rental depots are usually in larger cities, so compare pick-up points before booking flights.
Do campgrounds near Thousand Islands need reservations?
Access to Heart Island and Dark Island is restricted to operating seasons, typically mid-May through October. While no park entry permit is required, boat tour tickets and castle admission are separate costs and often sell out during summer weekends. State park camping at Wellesley Island can book out nine months in advance, requiring an official New York State Parks check.