PUTMAN MOUNTAIN. Putman Mountain stands three miles southwest of the community of Prairie Mountain in southwestern Llano County (at 30°33' N 98°54' W). The Putman family was among the earliest settlers in the area. At an elevation of 1,867 feet, the summit rises 400 feet above the crossing of Hickory Creek by Ranch Road 2323. Local topography is flat to rolling, covered with soils of sandy and clay loams. Vegetation consists primarily of open stands of live oak and mesquite.