Places We Protect

Willow Creek Preserve


A small blue butterfly with gray along the edges of its wings, sitting on green foliage.
Fender's Blue Butterfly The endangered Fender's blue butterfly in Oregon's Willamette Valley. © Matthew Benotsch/The Nature Conservancy

The ecologically richest remnant of native wet prairie in the southern Willamette Valley.

Stand Up for Nature in Oregon

The mission of The Nature Conservancy is to conserve the lands and waters upon which all life depends, and for nearly 60 years, we've been working in Oregon to do just that. We're bringing people together to solve the biggest conservation challenges of our time by transforming policy, inspiring communities to take action, protecting vital habitats and natural resources and improving livelihoods.

Find More Places We Protect

The Nature Conservancy owns nearly 1,500 preserves covering more than 2.5 million acres across all 50 states. These lands protect wildlife and natural systems, serve as living laboratories for innovative science and connect people to the natural world.

See the Complete Map