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Annual Frog Walk

  • Friday, May 3

  • 7:30pm

  • Outdoor Discovery Center

  • Admission: Museum Members: $8 Adults, $5 Children. Not-yet-Members:$10 Adults, $7 Children Prepaid registration required

Join us as we search out frogs and salamanders on this guided twilight wetland walk. Learn to recognize our local frogs by sight and sound, and then put your identification skills to the test! Bring a flashlight and waterproof boots or shoes.


Members Only Event

Click here to become a Member! 

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Birding and Breakfast with the Bakers

  • Saturday, May 4

  • 8:30am

  • Outdoor Discovery Center

  • Admission: $10 Museum Members Only

The Outdoor Discovery Center has a spectacular variety of spring birds.  Learn the birding basics from avid birding enthusiasts Sharon and David Baker.  Join us for a birding presentation highlighted by David’s fantastic photography.  Then venture out in search of some of the more than 50 species that have been sited on the Museum’s property.  After the hike, enjoy a hot or cold beverage and a donut.  Bring binoculars!



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StoryWalk™ Opening Day

  • Saturday, June 4

  • 10am - 4pm

  • Outdoor Discovery Center

  • Admission: Included with regular Grasshopper Grove admission: Museum Members: FREE Not-yet-Members: $3 Adults & Children age 2 & above

The Museum, in partnership with the Cornwall Public Library, invites you to StoryWalk™ 2019. Read an illustrated children’s story and look for clues about these special animals as you stroll along our meadow trail. At 11am & 1pm , join Educators on a guided stroll along our StoryWalk™ Trail and meet one of the animals from the book!


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International Mud Day!

  • Saturday, June 29

  • 11am – 3pm

  • Outdoor Discovery Center

  • Admission: Included with regular Grasshopper Grove admission: Museum Members: FREE Not-yet-Members: $5 Adults & Children age 2 & above

Welcome summer with a mud-riffic day of play in Grasshopper Grove! Thousands of children in dozens of countries worldwide celebrate Mud Day as a chance to appreciate nature and the great outdoors by getting muddy. Mud pies + mud pools + mud art + mud slides = MUD FUN! Bring a towel or a change of clothes, and a bundle of laughter to enjoy this afternoon of summertime play.


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Butterfly Weekend

  • Saturday, August 17 & Sunday, August 18

  • 11am - 3pm

  • Wildlife Education Center

  • Admission: Museum Members: $8 Adults, $5 Children. Not-yet-Members:$10 Adults, $7 Children

Flutter in this weekend to discover the beauty of butterflies, moths, and caterpillars!

∙   11:30am & 1:30pm - Presentation about monarch butterflies followed by tagging and releasing

∙   Butterfly tent (one ticket with each paid admission)

∙   Butterfly, moth, and caterpillar crafts for kids

∙   Admission to Grasshopper Grove included

∙   Participate in citizen science by tagging monarch butterflies as part of Monarch Watch