50th Anniversary Event
Attend our FREE 50th Anniversary Celebration Event on August 14!
read moreInstagram Photo Contest
Share your inspirational photos with us on Instagram for a chance to WIN!
read moreGreat Outdoors Beer Trail
Tickets on sale NOW! Save with early bird pricing! Limited VIP tickets available!
read moreReserve a Picnic Shelter
Reserve one of our 18 picnic shelters for your small outdoor gathering this Summer!
read morePowers-Walker House
All season long, this historic house is open for tours. Join us for our next event!
read moreThe Big Sit
Celebrate National Wildlife Refuge Week with birding's most sedentary event at Glacial Park.
read moreHallowoods Walk
Costumes are encouraged for this luminary-lit savanna walk with nature characters and refreshments.
read more50th Anniversary Historic Road Rally
Hunt for clues and motor through McHenry County for prizes and end it all with a cookout!
read moreOAKtober Planting Party
Celebrate OAKtober with our 6th annual planting party to help reforest the "Big Woods".
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