2012 Map of Washington Wash

About this map

Washington Wash and its associated drainage systems define the arid geography of this Riverside County landscape. The area is characterized by a network of seasonal watercourses, including the westward-flowing Pinkham Wash and the southeast-oriented Smoke Tree Wash. Rising above these drainage patterns, Monument Mountain serves as a prominent geographic anchor in the eastern portion of the quadrangle. These features illustrate the complex hydrographic network common to the California desert, where dry washes provide the primary drainage for local elevations. This 2012 survey documents the natural terrain and elevation contours before subsequent environmental shifts, providing a clear record of the physical landmarks that have long guided travel and survey efforts through this part of the county.