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  • Eco-Discovery Camp

    Cranberry Mountain WMA Patterson, NY, United States

    Sign your child up for summer fun at Great Hollow before space is gone! Our new day camp program offers children ages 4-12 the opportunity to forge lasting connections with
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  • Astronomy Night

    Cranberry Mountain WMA Patterson, NY, United States

    Join us on September 9th for an astronomy event that will be out of this world! The Litchfield Hills Amateur Astonomy Club will be here to teach us "how the
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  • George Cain 9/11 Memorial Hike

    Cranberry Mountain WMA Patterson, NY, United States

    On Sunday September 10th, Great Hollow Nature Preserve and the Putnam County Parks & Recreation Commission will be leading a special joint hike in remembrance of FDNY firefighter, George Cain,
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  • Guided Hike for Celebrate New Fairfield Day

    Cranberry Mountain WMA Patterson, NY, United States

    Great Hollow will be participating in the 5th annual Celebrate New Fairfield Day by leading a family-friendly hike through our 825 acre preserve - the second largest natural area in
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  • Travel Photography Workshop

    Cranberry Mountain WMA Patterson, NY, United States

    The Great Hollow Photographers Club is pleased to host veteran travel photographer, Neil Zobler, who will give a presentation featuring his outstanding "Cuba" portfolio as an example of how to
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  • Monday Homeschool Program

    Cranberry Mountain WMA Patterson, NY, United States

    Great Hollow offers popular drop-off programs intended just for homeschoolers, ages 7-12. Join us for a single day, a season, or the whole school year! Students spend their days at
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  • Naturalist-guided Fall Foliage Hike

    Cranberry Mountain WMA Patterson, NY, United States

    Great Hollow and FrOGS (Friends of the Great Swamp) are leading a joint hike to explore the northern portions of Great Hollow Nature Preserve and the overlook at the neighboring
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  • Haunting at the Hollow

    Cranberry Mountain WMA Patterson, NY, United States

    Haunting at the Hollow is back! The haunted trail from last year has been replaced with all new, custom-built haunted houses to scare the pants off you! It officially opens
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  • Apple Cider Making & Pumpkin Painting

    Cranberry Mountain WMA Patterson, NY, United States

    Fall is apple season, and apple season means apple cider!  Come down to Great Hollow on Saturday, October 28th to try your hand at making cider with our hand-cranked apple
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