2023 Map of Black Rock Spring NW

About this map

Joint Base Lewis-Mcchord dominates this high-desert landscape in central Washington, encompassing a vast area of the Umtanum Ridge and the northern slopes of Yakima Ridge. This modern topographic study reveals a terrain shaped by dramatic geological folding, with Selah Creek cutting a winding course through the central sections. The map traces the county boundary between Kittitas County and Yakima County, highlighting a region largely dedicated to military training and resource management. Small seasonal watercourses like Lmuima Creek and the high elevations of the Hog Ranch Buttes define the local topography. The absence of traditional civilian settlements or road networks within the base boundary underscores the restricted, specialized nature of this land use in the early 21st century.