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Local favourite river spot · McHenry, Illinois

Halfmoon Islands

Halfmoon Islands is a river spot in McHenry, Illinois.

Halfmoon Islands: 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 Halfmoon Islands

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 Halfmoon Islands — distance from nearby cities

    Coordinates: 42.39139, -88.20905. Road distances are estimates; the road-trip planner uses real routes and adds stops worth the detour.

    Places to visit near Halfmoon Islands

    See everything within a day’s drive of Halfmoon Islands

    Other rivers, islands & mangroves near Halfmoon Islands

    All rivers, islands & mangroves in Illinois

    Map data © OpenStreetMap contributors (ODbL)

    Frequently asked

    Are boats running today?

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

    What is the best time to visit Halfmoon Islands?

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

    What are the places to visit near Halfmoon Islands?

    Nearby: Volo Bog State Natural Area (sanctuary, 5 km), Wooster Lake (lake, 7 km), Volo Auto Museum (museum, 10 km), Chain O'Lakes State Park (sanctuary, 10 km), Moraine Hills State Park (sanctuary, 11 km), Elizabeth Lake Nature Preserve (lake, 16 km).