Facility Closures & Event Cancelations
To ensure a safe and healthy environment for our visitors, staff and volunteers, the Visitor Center and public restrooms at the Joseph H. Williams Tallgrass Prairie Preserve are closed until further notice. However, the 15-mile bison loop, hiking trails and picnic area remain open. Additionally, TNC-led events and field trips through April have been canceled and the Tulsa and OKC offices are closed.
Ready When You Are
When you're ready to get some fresh air, there are three sets of hiking trails at our preserves that remain open for you: Tallgrass Prairie Preserve, J.T. Nickel Family Nature & Wildlife Preserve and Black Mesa Nature Preserve.
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