Old New-Gate Prison & Copper Mine, East Granby

Events & Programs


State Museum Sunday
Free admission for Connecticut residents at any of the four State Museums on the third Sunday of the month.

  • May 15th
  • June 19th 
  • July 17th 
  • August 21st 
  • September 18th

Connecticut Open House Day
June 11 (Sat) 10:00am – 4:30pm

Free admission! Support Connecticut tourism by joining us on June 11th! Self-guided exploration of the prison yard and guided tours of the copper mine! 

Tales from the Dungeon
Experience a glimpse of prison life in 1825. Learn about key historical figures from New-Gate’s past in a fun and engaging play performed by the Theatre Guild of Simsbury. This 30 minute show is appropriate for all ages and will begin at 1:00 and again at 2:30. (Free with Admission)

  • July 10th
  • July 24th 
  • July 31st 
  • August 7th

Mineral Show
July 17 (Sun) 10:00am - 4:30pm
The New-Gate copper mine has attracted people to the site since 1705. Celebrate New-Gate’s deep connection to geology with a mineral show. Mineral dealers from across New England will be showcasing and selling their collections inside the prison yard. State Museum Sunday- Free admission for CT Residents. 

Bat Appreciation Day 
September TBD 
Learn about New-Gate’s beloved bats as we team up with the Department of Energy and Environmental Protection to promote bat conservation. Engage with wildlife biologists and learn about how cool bats really are, and how you can help support these important and amazing creatures. Demonstrations and hand-on activities for all ages.