
Southeast
Umatilla National Forest: A Comprehensive Atlas of Blue Mountains Protected Landscapes
Explore mountain terrain, wilderness areas, and river-carved geography
Spanning over one million acres, Umatilla National Forest encompasses a complex array of river-cut canyons, high-country ridges, and substantial old-growth woodlands. This protected landscape offers a deep look into the ecological and physical character of the Blue Mountains, from the remote reaches of the Wenaha-Tucannon Wilderness to the headwaters of the Umatilla River.
- Area
- 5,694 km²
- Established
- 1908
- Visitors
- 703K annual
- Relief
- Mountain













