Promoting nature education and recreation at Onondaga Cave State Park in Leasburg, Missouri
2024 Events
Off-Trail Caving Tours!
Become an OFA Member and Volunteer!
OFA events are volunteer-led. If you want to be part of this beautiful State Park, please consider being a Volunteer. Become a helictite, cave frog or even a bat by giving here! Your membership helps to bring interpretive services to those who visit Onondaga Cave State Park. Thank you! 
We are working on a new website!
We sure appreciate your patience while we are under construction. Please reach out to us at onondagafriends@gmail.com if you have any questions.
Friends of Onondaga Cave State Park,
Onondaga Friends Association
P. O. Box 13, Leasburg, Missouri 65535
onondagafriends@gmail.com