The mission of Onondaga Friends Association (OFA) is to assist the State Park in providing more opportunities for interpretive education, increasing public awareness of conservation and biodiversity of our caves, and to promote the unique ecological environment that is Onondaga Cave State Park. This is accomplished through the offering of events, fundraisers, projects, and interpretive programs.


2026 Events Listing Upcoming!

2025 Events

Musical Meditation Underground

Onondaga Cave Photo Tours

Cathedral Cave Night Tours

Off-Trail Cathedral Cave Tours

Monthly volunteer meet-ups

Onondaga Cave State Park offers hiking trails where you can view the biodiverse flora and fauna. You may also take a daily cave tour, visit the gift shop, observe the night sky at the monthly Starry Sky Nights events through September, and have fun learning at the Saturday campground programs. Enjoy!

Go to 2025 Events for more info!


Of all the paths you take in life, make sure a few of them are dirt.”

~ John Muir

Become an OFA Member & Volunteer

OFA events are mostly volunteer-led. If you want to be part of this beautiful State Park, consider becoming an OFA Member and Volunteer! OFA helps Onondaga Cave State Park in part by sponsoring and co-sponsoring public and private events.

We appreciate volunteer help. If you want to help with our events and/or bring environmental education to the public, please contact us at onondagafriends@gmail.com.

If you would rather donate, you can become one a Member! You too can be a Helictite, Cave Frog, or a Bat by donating here! Your membership helps to give back to the community through Onondaga Cave State Park.

Riley the Bat says, Thank You from all of us!


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Friends of Onondaga Cave State Park,

Onondaga Friends Association

P. O. Box 13, Leasburg, Missouri 65535

onondagafriends@gmail.com