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Notable cave · Grafton, New Hampshire

Apthorp Dam

Apthorp Dam is a cave in Grafton, New Hampshire.

Apthorp Dam: crowds and conditions

Typical pattern: moderate; weekends busier. Been there recently? Post today’s status and it shows here for the next traveller.

Status options for this cave: Open, good conditions · Very crowded · Approach road bad · Closed / not accessible.

Best time to visit Apthorp Dam

Season: Year-round; October to March is most comfortable, some caves flood in heavy rain.

Busiest days: Weekends and long holidays.

Crowd: Moderate; weekends busier.

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

How to reach Apthorp Dam — distance from nearby cities

    Coordinates: 44.30833, -71.74611. Road distances are estimates; the road-trip planner uses real routes and adds stops worth the detour.

    Places to visit near Apthorp Dam

    See everything within a day’s drive of Apthorp Dam

    Other caves near Apthorp Dam

    All caves in New Hampshire

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    Frequently asked

    Is Apthorp Dam open today?

    No visitor has reported the opening status for Apthorp Dam yet. Typical pattern: moderate; weekends busier. Busiest: Weekends and long holidays.

    What is the best time to visit Apthorp Dam?

    Year-round; October to March is most comfortable, some caves flood in heavy rain. Moderate; weekends busier.

    What are the places to visit near Apthorp Dam?

    Nearby: Baker Brook Pond Dam (lake, 4 km), Mount Agassiz (viewpoint, 9 km), Forest Pond (lake, 9 km), Coffin Pond Dam (lake, 9 km), Moore Reservoir (lake, 12 km), Moore Dam (lake, 13 km).

    Is Apthorp Dam worth visiting?

    Apthorp Dam is listed as a notable cave in New Hampshire on Spotwander.