Join insect expert, Ben Lee, for a special walk & talk program all about pollinators! We'll talk about population declines in many ecologically and economically important species of pollinators, the vital roles they play in ecosystem function and agriculture, and how you can help them. Ben will lead us around Great Hollow's grounds and pollinator
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It's that time of year when billions of birds that spent the summer breeding up north turn around and begin their long migration south for the winter. Join Great Hollow ornithologist Dr. Sarah Deckel for a special talk at the Sherman Library about the wonders of migration and the remarkable abilities of migratory birds. How
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  **This event is now sold out** Please do not contact the office asking if it would be possible to still get tickets and please do not attempt to walk into the event. No walk-ins will be allowed.     Join us for the return of an annual favorite - Jazz Night on the Patio.
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Join Western Connecticut State University professor of mycology, Dr. Hannah Reynolds, on an exploration of the beautiful and mysterious world of fungi. Dr. Reynolds will lead us on a search for mushrooms and other fungi while discussing their ecology and roles in the forest ecosystem. With any luck, we'll find fungi like giant puffballs, violet
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Kids, come join us for a day of fall exploration! During this full-day program, children will have the opportunity to go on hikes and be creative with crafts while learning about the changes occurring in nature this time of the year. Registration is $50 per child for family-level members and $55 per child for non-members.
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Come enjoy a guided fall foliage hike with our naturalist and Master Woodland Manager, Ben Lee. Attendees will learn how to identify common trees of Connecticut through leaf and bark characteristics. Our hike will begin at the start of the red trail and traverse through a second-growth forest before returning to the patio for light
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Come out to Great Hollow on Saturday, October 25th for our annual Hollow Fest extravaganza! There will be fun for the whole family, including cider pressing, face painting, pumpkin decorating, crafting, games, and more! All the while, we'll be making complementary apple cider for you to enjoy and take home. Entry is $5 per adult
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Join Great Hollow staff and our friends from several other local environmental organizations for an informal social gathering at the Housatonic River Brewery (30 Kent Road, New Milford).  Meet Your Greens is northwestern Connecticut’s “green” happy hour, providing opportunities to make connections and exchange news about environmental issues, conservation initiatives, land use, and more. All
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Ever wonder where all the dead leaves go? Come find out on a short, guided hike with our naturalist and Master Woodland Manager, Ben Lee. Attendees will learn about some of nature’s decomposers and the vital services they provide for our ecosystem. Our hike will begin at the red trail and traverse through second-growth forest
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What do spotted lanternflies, Asian jumping worms, and Japanese barberry have in common? They are just three of the 6,500+ known invasive species in the United States. But what makes a species invasive and what should we do about them? Come find out on a short, guided walk and talk with our naturalist Ben Lee and
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