Thousands of acres of preserved land to explore in Northeastern Connecticut.
We’ve protected over 5,500 acres of land in 60 years.
Where will your next Joshua’s Trust adventure take you?
Our Preserves
Programs & events that connect you to the land and history we steward.
Join us for guided hikes, history walks, lectures, community events, & more.
Calendar
Conservation-based Estate Planning | Planning for the Future of Your LandApril 23, 2026
6:30 pm – 8:00 pm
Invasive Species Clean-Up @ Atwood FarmApril 25, 2026
10:00 am – 12:00 pmMansfield Center, CT
Annual Community Maypole CelebrationMay 2, 2026
2:00 pm – 4:00 pmMansfield Center, CT
Contemplative Walk at Wolf Rock Nature PreserveMay 9, 2026
11:00 am – 12:30 pmMansfield Center, CT
History Walk at Mason’s Mill & Fish’s Woods PreserveMay 16, 2026
10:00 am – 11:15 pmMansfield, CT
Opening Day at the Gurleyville Grist MillMay 17, 2026
1:00 pm – 5:00 pmMansfield, CT
Explore the Gurleyville Grist MillMay 24, 2026
1:00 pm – 5:00 pmMansfield, CT
Fern Finding and Phylogenies: A Walk Through the Forest and a Peek Back in TimeMay 30, 2026
9:00 am – 10:30 amWindham, CT- Explore the Gurleyville Grist MillMay 31, 2026
1:00 pm – 5:00 pmMansfield, CT 
Contemplative WalkMay 31, 2026 – June 1, 2026
2:00 pm – 3:30 am
Explore Utley Hill PreserveJune 7, 2026
9:00 am – 10:30 amColumbia, CT- Explore the Gurleyville Grist MillJune 7, 2026
1:00 pm – 5:00 pmMansfield, CT 
Connecticut Open House DayJune 13, 2026
1:00 pm – 4:00 pmMansfield Center, CT- Explore the Gurleyville Grist MillJune 14, 2026
1:00 pm – 5:00 pmMansfield, CT - Third Thursday Street FestJune 18, 2026
6:00 pm – 9:00 pm - Explore the Gurleyville Grist MillJune 21, 2026
1:00 pm – 5:00 pmMansfield, CT