Chisos Mountains, mountain system covering 40 square miles (104 square km) along the Rio Grande in southwestern Texas, U.S. The Chisos form the state's third highest mountain group, culminating at Emory Peak (7,825 feet [2,385 metres]).
The Rosillos Mountains (centered at 29°32' N, 103°15' W) are nine miles north of Panther Junction and just north of Big Bend National Park in south central Brewster County. The highest point in the mountains is Rosillos Peak, which rises 5,445 feet above sea level, some 2,165 feet above the Rosillos
The Christmas Mountains are a small range of mountains next to Big Bend National Park in Brewster County, Texas, United States. The highest peak is 5,728 feet (1,746 m) above sea level. The 9,270 acre tract is owned by the Texas State University System and is open to the public and to academic resea
