The Nature Institute trails are closed for hiking for the winter season. The trails will reopen on April 1, 2026. Check out our calendar of events for upcoming programs.
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The Nature Institute (TNI) is a non-profit land conservation and environmental education organization based in Godfrey, IL. Since its founding in 1980, The Nature Institute’s board and staff have worked to foster an awareness and appreciation of the natural world through education, restoration, and preservation.
Newsletters
Dec 2025
Yearly Trail Closure
The Nature Institute's trails take a yearly hiatus from December 15-April 1. This means the trails are not available for regular hiking. However, The Nature [...]
Jan 2026
03
Jan
Moonlight Hike
Join us on a night hike through the woods. On the trails of the Mississippi Sanctuary and Olin Nature Preserve the terrain is light to [...]
Tiny Trekkers: Snowflake Scientists
Snowflake Scientists Description: Tiny Trekkers is a once a week drop off program for ages 3 - 5. Registration is offered by the month only, [...]
06
Jan
Critters and Crypts: Session 1
This new program is offered exclusively to 6th – 9th grade students! Critters & Crypts is our weekly Dungeons & Dragons group. Journey on quests [...]
08
Jan
Naturally Curious Book Club: Where the Deer and Antelope Play
Join us for a book club discussion this winter. We will meet at the Mississippi Sanctuary Office and enjoy an amazing view of the Mississippi.
New Registration System, Better Experience for You
The Nature Institute has switched all registration to Amilia SmartRec. Please check out this information page to learn more about setting up your account and registering for programs.