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Purgatory Chasm State Reservation

Open to the publicPark · Sutton, MAUpdated Sep 13, 2026
Right now

A 0.5-mile granite chasm and boulder field that draws scramblers and families year-round, with easier perimeter loop trails, a visitor center, playground and picnic grounds around the rock formation itself.

What to expect

Dogs
Allowed caged, bridled, or on a leash or tether no longer than ten feet, unless an area is posted otherwise; never unattended or at large, and waste must be carried out. Hunting, hunting-dog training, dog sledding, sled-dog training and…
Hours
Open from half an hour before sunrise to half an hour after sunset as published by the National Weather Service, unless posted or permitted otherwise. Fishing, camping, snowmobiling and other authorized nighttime activities are not held…
Managed by
DCR 508-234-3733 · Website

Common questions

Is Purgatory Chasm State Reservation open today?
Purgatory Chasm State Reservation is a public park in Sutton, MA. Posted hours: Open from half an hour before sunrise to half an hour after sunset as published by the National Weather Service, unless posted or permitted otherwise. Fishing, camping, snowmobiling and other….
Can I bring my dog to Purgatory Chasm State Reservation?
Allowed caged, bridled, or on a leash or tether no longer than ten feet, unless an area is posted otherwise; never unattended or at large, and waste must be carried out. Hunting, hunting-dog training, dog sledding, sled-dog training and search-dog training are excepted (302 CMR 12.13).

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Preserves & forests (5) · Beaches (1) · Campgrounds (1) · Playgrounds (1) · Ponds (1)

BetaDetails are sourced from public agency data and can change through the season. Confirm locally before you go. Updated 2026-09-13.