Three Sisters Wilderness: A History

Straddling the Cascade mountain range, the magnificent Three Sisters Wilderness beckons adventurers from around the world. One of the original 54 of the more than 800 such areas designated by Congress, it is Oregon's second-largest, most visited and accessible wilderness. Its preservation under the Wilderness Act of 1964 was a community-led effort to keep the dramatic vistas and diverse ecosystems available for all to enjoy.

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