2017 Map of Sullivan Gulch

About this map

The high timberlands and drainage basins of the Blue Mountains define this landscape, straddling the boundary between Union and Umatilla counties. Managed within the Whitman National Forest and Umatilla National Forest, the area is a vital watershed characterized by a dense network of seasonal and perennial springs. Features like Frog Heaven Meadow and Cougar Canyon reflect the varied topography of this forest interior, while water sources such as Half Moon Spring, Tamarack Spring, and Sullivan Spring point to the critical role of reliable water for both wildlife and high-altitude livestock grazing.