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Local favourite river spot · Jefferson, New York

Sylvan Island

Sylvan Island is a river spot in Jefferson, New York.

Sylvan Island: crowds and conditions

Typical pattern: usually quiet; mostly local visitors. Been there recently? Post today’s status and it shows here for the next traveller.

Status options for this river spot: Water flowing well · Low flow / trickle · Dry, no water · Entry closed.

Best time to visit Sylvan Island

Season: September to February; boat services pause in floods.

Crowd: Usually quiet; mostly local visitors.

Typical week: Mon quiet · Tue quiet · Wed quiet · Thu quiet · Fri light · Sat light · Sun light.

How to reach Sylvan Island — distance from nearby cities

    Coordinates: 44.37775, -75.89037. Road distances are estimates; the road-trip planner uses real routes and adds stops worth the detour.

    Places to visit near Sylvan Island

    See everything within a day’s drive of Sylvan Island

    Other rivers, islands & mangroves near Sylvan Island

    All rivers, islands & mangroves in New York

    Map data © OpenStreetMap contributors (ODbL)

    Frequently asked

    Are boats running today?

    No visitor has reported the boating status for Sylvan Island yet. Typical pattern: usually quiet; mostly local visitors.

    What is the best time to visit Sylvan Island?

    September to February; boat services pause in floods. Usually quiet; mostly local visitors.

    What are the places to visit near Sylvan Island?

    Nearby: Little Grenadier Island (river spot, 2 km), Kring Point State Park (park, 3 km), Mary Island State Park (sanctuary, 3 km), Sunken Rock Light (attraction, 5 km), Boldt Castle (museum, 6 km), Saint Lawrence Episcopal Church (church, 7 km).