Located in the heart of the Ozarks, ONSC has endless possibilities for making your next school program, facility rental or nature adventure memorable. There’s so...
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5th Annual Bear Hollow Hootenanny
ONSC's annual fundraiser! Join us for a weekend of live music, delicious food, camping (limited lodging available - book early), and community at the Main…
Fall Fun with Fungi
Location: ONSC's Lake Fayetteville campus. Join Instructor Jay Justice to learn common fall mushrooms. Class includes a lecture, foray, and mushroom…
ONSC 5K Halloween Trail Run
Trick-or-Trail Run 🎃 Run Kessler Mountain's trails in costume this Halloween! $20 gets you the run, homemade pizza after, and a t-shirt. See you there!
November 2026 Ozark Exploration: Native American History
Follow the trails of Bear Hollow Natural Area and explore the history of the Osage and other Native American peoples who lived in the Ozarks long before us.…
2026 Fall Mycology Workshop
Spend the weekend with mycologist Jay Justice and mushroom educator Mike Snyder for guided forays, hands-on identification, and mycocentric meals in the Ozarks.
November 2026 Lake Fayetteville Exploration: Nest & Nook Hunting
November Theme: Nest & Nook Hunting 🍂🪹With leaves falling, nature’s secrets are easier to spot! Search for nests, animal homes, and wildlife signs like deer…
2026 Nocturnal Camp
🌙 Explore the secrets of the night! This 3-day, 2-night overnight camp for ages 8–16 is all about nocturnal wildlife, astronomy, and nighttime adventures under…
December 2026 Ozark Exploration: Winter Wonders
❄️Celebrate the shortest days of the year with a winter wonderland hike! Learn to identify trees in winter, spot animal tracks and scat, and explore the magic…
2026 Rock 'n Roll Geology Bus Tour
Ever wondered why the hills rise, the valleys dip, or why those layered rock bluffs appear just so? This trip is your chance to discover the answers—all while…
Legacy Dinner
Mount Kessler · Smokehouse Courtyard An evening of gratitude and vision, hosted by Ellen Turner. $50 per plate. To sponsor a table, email [email protected].…
December 2026 Lake Fayetteville Exploration: Winter Solstice Wonderland
December Theme: Winter Solstice Wonderland ❄️Celebrate the shortest day of the year with a winter wonderland hike! Learn to identify trees in winter, spot…
Journey Through Time: Kessler Mountain Rock City Geology Hike
🌍 Join geologists Chris Moyer & Mac McGilvery for a guided hike of the Rock City and Fayetteville Traverse trails at Kessler Mountain! 🏞️ Discover…