• Green Drinks

    Alpenhaus 59 Bank Street, New Milford, CT, United States

    Do you work in the environmental sector or are you simply interested in environmental issues? If so, join Great Hollow staff and our friends from the Weantinoge Land Trust, Naromi
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  • Make Your Own Mason Jar Terrarium

    Cranberry Mountain WMA Patterson, NY, United States

    Kids, come down to Great Hollow to create your own mini-ecosystem in a jar and watch the water cycle in action! We’ll fill quart-sized mason jars with everything needed for
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  • Seminar: The Frogs of Connecticut

    Cranberry Mountain WMA Patterson, NY, United States

    Frogs and toads are outstanding indicators of water quality and environmental change, and many species in Connecticut and beyond are showing clear signs of trouble. Come to Great Hollow on
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  • Kids’ Nature Night: Owl Prowl!

    Cranberry Mountain WMA Patterson, NY, United States

    This next event in our Kids' Nature Night series is all about owls! We’ll start our evening off by making s'mores over a campfire while talking about cool owl behaviors
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  • Mother’s Day Bird Walk & Banding Demonstration

    Cranberry Mountain WMA Patterson, NY, United States

    Join us at Great Hollow this Mother's Day, when local birding expert, Angela Dimmitt will lead a walk to look for colorful spring migrants that are currently undertaking their long
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  • National Trails Day

    Cranberry Mountain WMA Patterson, NY, United States

    Join us for our third annual celebration of National Trails Day and take a naturalist-guided tour through Great Hollow Nature Preserve and the neighboring Michael Ciaiola Conservation Area. Learn about
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  • Painting & Photography Show

    Cranberry Mountain WMA Patterson, NY, United States

    The Great Hollow Photographers Club is hosting a Juried Painting and Photography Show from 10am-4pm on June 16 and 17 at Great Hollow, and all are welcome to come down
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  • Kids’ Nature Night: Beaver Fever!

    Cranberry Mountain WMA Patterson, NY, United States

    This final event in our Kids' Nature Night series (until the fall) is all about beavers - the species that has altered the planet more than any other, aside from
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  • Seminar: Cheetah Conservation in Namibia

    Cranberry Mountain WMA Patterson, NY, United States

    The cheetah is well-known to all for its incredible speed and beauty. Like many of the world's species of "big cats", it is under significant threat of extinction. With fewer
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  • Full Moon Hike *CANCELED

    Cranberry Mountain WMA Patterson, NY, United States

    **Canceled due to inclement weather** Enjoy a moonlit, guided hike up to Great Hollow's waterfall with our naturalist, John Foley. We'll look and listen for owls and other creatures of
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