The North Fork Umatilla Wilderness is the smallest wilderness in the northeast region of Oregon. It is located inside the Umatilla National Forest, in the Blue Mountains.

Visitors who are looking into visiting the site should know that the North Fork Umatilla Wilderness is located on an elevation that ranges from 2000 to 5400 feet. It has gentle sloping hills to steep terrains. Fishing is one of the most popular activities on the site, with Umatilla River having a sizable population of bull trout and other fishes. Big game is also found in the area, so hunting can also be enjoyed while on the site.

Aside from these, hiking, camping, hiking, and horseback riding can also be enjoyed while in the North Fork Umatilla Wilderness.