Purgatory Chasm State Reservation is located at 198 Purgatory Road, Sutton.

All programs are free and open to the public. Bring water, wear sunscreen/bug spray, and dress for the outdoors. Sturdy footwear is strongly recommended for hiking events. An adult must accompany all children. Hiking programs are canceled in inclement weather. 

Fridays 11 a.m. – 12 p.m., Saturdays 2– 3 pm, Sundays 3 - 4 pm  

Scramble around boulders while taking in the mystery of Purgatory Chasm! Find out about the park’s history and cultural influence, the chasm’s rock formations, or the wildlife that call the chasm home. Meet at the pavilion at the mouth of the chasm. Appropriate for ages 8 and above.  About a half mile over moderate terrain.  

 

Saturdays & Sundays 11:30 am  

Find out the chasm’s history in just 15 minutes. This is the perfect primer before your hike through the chasm. Meet at the entrance to the chasm. Appropriate for ages 8 and up.   

 

Mondays 2–3:30 p.m.  

Discover our glacial past on this 1-mile hike to Little Purgatory. Explore evidence of the ice that blanketed this park over 10,000 years ago. Meet at the Visitor Center. Suitable for ages 8 and above. About one mile over moderate terrain.  

  

Mondays 11 a.m. - 12 p.m. 

Join us each week for Kidleidoscope! We will read a short book, followed by an outdoor activity. Afterwards, enjoy a craft that relates to the story. Each week has a new theme, stop by often. Meet at the Visitor Center. Designed for ages 3 to 6. Siblings are welcome. During inclement weather this will be held in the Visitor Center.  

 

Fridays 2:30 -  3:30 p.m.  

Hiking trails are the heart of our park system and getting outdoors is a great way to exercise! Join us on this recreational hike with other like-minded people. Meet at the Visitor Center. Appropriate for ages 8 and above.  About one mile over easy terrain.  

Saturdays 11 a.m. – 12 p.m.  

Have you ever wondered where rocks come from? See a bunch of different rocks and find out more about where they have been and where they are going. Stay for five minutes or an hour. Meet in the pavilion near the entrance to the chasm. Appropriate for ages 4 and above. The program will be held in the Visitor Center during inclement weather.  

Sundays 11 a.m. – 12 p.m.  

We can learn many things about how an animal lives by looking at its skull. Join us to look for clues about how different animals survive by examining their skulls. Stay for five minutes or an hour. Meet in the pavilion near the entrance to the chasm. Appropriate for ages 4 and above. The program will be held in the Visitor Center during inclement weather.  

Saturdays 4 – 5 pm 

Take a step back in time! Get an introduction to this unique park as we walk among the historic structures and geological features, jumping around the park’s history all the while. Meet at the Visitor Center. Suitable for ages 8 and above. Approximately one mile over easy terrain.  

Please note that public programming may be affected by construction projects taking place within the park. 

For more information call 508-234-9610 or visit: https://www.mass.gov/locations/purgatory-chasm-state-reservation