Greene County Conservation Board

Greene County Conservation Board The Greene County Conservation Board manages over 2000 acres of parks, trails, and wildlife areas throughout Greene County in central Iowa.

The Greene County Conservation Board office is located at Spring Lake Park, just five miles northeast of the City of Jefferson, IA. Office hours are Monday-Friday 8:00 AM - 4:30 PM. All areas are closed to public use between the hours of 10:30 PM and 5:00 AM unless otherwise posted. The North Raccoon River Access Areas are exempt from these hours for purpose of fishing.

Thank you to all that participated in the Birding Event on Saturday at Dunbar Slough! Counted 56 different species of bi...
04/27/2026

Thank you to all that participated in the Birding Event on Saturday at Dunbar Slough! Counted 56 different species of birds! Thank you Carroll County Conservation, Friends of Greene County IA Parks, and Raccoon River Watershed Association for helping with the event.

Ever see a large growth on a tree and wonder what it is? Iowa PBS goes into more detail about what it is and how they oc...
04/15/2026

Ever see a large growth on a tree and wonder what it is? Iowa PBS goes into more detail about what it is and how they occur. Thank you Tiffany from Iowa PBS Education/Iowa PBS for coming out to investigate Greene County as well as highlighting a phenomena in one of our county parks!

This tree developed a mutation that caused a growth called a "burl."

Thank you Jefferson Iowa Public Library for being a partner and having Jacob come out for programs!
04/07/2026

Thank you Jefferson Iowa Public Library for being a partner and having Jacob come out for programs!

Staff were able to move some fish habitat structures onto the ice this week. The fish should be happy with their new hom...
02/05/2026

Staff were able to move some fish habitat structures onto the ice this week. The fish should be happy with their new homes once the ice melts!

Address

1847 195th Street
Jefferson, IA
50129

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