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Current Trail Hours:

Sunday & Monday: 10AM - 6PM

Tuesday-Saturday: 10AM - 8PM

10950 Hetherton Road

Johannesburg, MI 49751

(989) 705-2469

BID NOTICE: WE ARE ACCEPTING BIDS FOR TWO PROJECTS. CLICK THE BUTTONS TO VIEW THE INFORMATION.

Demolition of Motel Bid

Conifer Seedlings Bid

BEFORE YOU VISIT

Trail Access Information

Trails are open five-seven days a week based on seasonal hours
Access is permitted only when the gate is open, and a ranger is on duty
The parking lot and gates close at 6:00 PM
Night hiking is not allowed

DOWNLOADABLE PDFS

event aPPLICATION

Interested in hosting an event at the Groen Nature Preserve for your club or classroom? Click the icon to download our event application.

PHOTO CONTEST

Love nature, being outdoors, and taking photos? Click on the icon to download our 2025 photo contest information and entry form.

GNP Birding CHECKLIST

Love birding? Click the icon to download our birding checklist and see how many you can find.

SURVEY CARD

Your feed back is important to us. Click the icon to download our survey card.

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