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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
Oct 2026
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 [...]
26
Oct
Native Seed Cleaning
Volunteers have been busy this fall collecting native prairie seeds, now it is time to prep them for planting. Join us for a morning of [...]
Tiny Trekkers: Junior Naturalists
Junior Naturalists Description: Tiny Trekkers is a once a week drop off program for ages 3 - 5. Registration is offered by the month only, [...]
Critters and Crypts: Fall Session
This new program is offered exclusively to 6th – 9th grade students! Critters & Crypts is our weekly Dungeons & Dragons group. Journey on quests [...]
Heartland Prairie Hike
Heartland Prairie Hikes are a long-running volunteer-led hike at Heartland Prairie at Gordon Moore Park in Alton. Join other prairie enthusiasts on the 2nd and [...]
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.