At OSI, we protect land for people, for habitat, forever. Learn More About Who We Are
A Place for Life.
What We Protect
New & Noteworthy
Featured News Saving the Southern Cumberlands: A Story Map by the Open Space Institute
The Southern Cumberland Plateau boasts some of the most geologically unique habitat in North America. A new Story Map by OSI uses the power of maps and geography to convey the land’s many values — and the importance of protecting it.Read More
Featured News River-to-Ridge Trail Grand Opening 2018 (Video)
The Open Space Institute on September 8 announced the official opening of the River-to-Ridge Trail in New Paltz, New York. The completed section of trail runs along the Wallkill River from the Carmine Liberta Bridge to Butterville Road.Read More
- OSI Support Leads to Protection of 2,200 Acres of Land for Delaware River Watershed Drinking Water
- OSI-Initiated Project to Create New Gateway to the Adirondacks Begins to Take Shape
- OSI Acclaims Historic Senate Action to Permanently Authorize LWCF and Guarantee Dedicated Funding
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