Outside in Jefferson.

Explore 16 listed public parks, trails, forests, and natural areas in Jefferson, New York. Compare locations and documented activities, with official sources and notices for planning your visit.

Long Point docks closed for repairs

Applies to the named area

Long Point docks and boat-launch rampWithin Long Point State Park - Thousand Islands

Both sets of docks at Long Point are closed until further notice for repairs. The agency also says the boat-launch ramp was removed for winter. Confirm facilities on the official page before bringing a boat.

Read the official notice: New York State Parks visitor directory ↗Source checked Oct 20, 2026

16 parks

Jefferson

Black River Trail

Biking · Fishing

Jefferson

Burnham Point State Park

Boating · Camping

Jefferson

Canoe-Picnic Point State Park

Camping · Fishing

Jefferson

Cedar Point State Park

Boating · Camping

Jefferson

Dewolf Point State Park

Boating · Camping

Jefferson

Grass Point State Park

Boating · Camping

Jefferson

Keewaydin State Park

Boating · Camping

Jefferson

Kring Point State Park

Boating · Camping

Jefferson

Long Point State Park - Thousand Islands

Boating · Camping

Jefferson

Mary Island State Park

Camping · Fishing

Jefferson

Robert G. Wehle State Park

Biking · Camping

Jefferson

Rock Island Lighthouse State Park

New York State Office of Parks, Recreation and Historic Preservation

Jefferson

Southwick Beach State Park

Camping · Fishing

Jefferson

Waterson Point State Park

Fishing

Jefferson

Wellesley Island State Park

Biking · Boating

Jefferson

Westcott Beach State Park

Boating · Camping

Alphabetical index of all 16 destinations in Jefferson

Black River Trail ↗Burnham Point State Park ↗Canoe-Picnic Point State Park ↗Cedar Point State Park ↗Dewolf Point State Park ↗Grass Point State Park ↗Keewaydin State Park ↗Kring Point State Park ↗Long Point State Park - Thousand Islands ↗Mary Island State Park ↗Robert G. Wehle State Park ↗Rock Island Lighthouse State Park ↗Southwick Beach State Park ↗Waterson Point State Park ↗Wellesley Island State Park ↗Westcott Beach State Park ↗