At OSI, we protect land for people, for wildlife, forever. Learn More About Who We Are
A Place for Life.
What We Protect
New & Noteworthy
Featured News Community Support Can Help Minnewaska Visitor Center Take Flight
The Campaign for Minnewaska Visitor Center offers personalized window tiles for “Birds of Minnewaska” ExhibitRead More
Featured e-News APRIL 2020 FOCUS ON ACCESS
This Earth Day edition celebrates OSI's contributions to public access.Read More
What You Can Do
Donate to support OSI’s work
Become a part of our mission to safeguard at-risk places through your tax-deductible gift.Donate
Subscribe to our newsletter
We get in touch once a month with our most important news, stories, and updates.