Chisos Mountains, Texas, USA (with Map & Photos)

The Chisos Mountains, also known as Chisos, are a mountain range located in the Big Bend region of the Trans-Pecos region in Texas, USA. The mountain system covers 40 square miles (104 square kilometers) and is entirely within the confines of Big Bend National Park, making it the only mountain range in the United States that is entirely contained within the national park.

The Chisos Mountains are the southernmost mountain range on the United States mainland.

Chisos Mountains Texas
Chisos Mountains Texas

The Chisos mountains were formed by volcanic activity in the Eocene epoch 35-44 million years ago.

The highest point of the Chisos mountain range is Emory Peak at 7,825 feet (2,385 m) above sea level.

Chisos Mountains Texas
Chisos Mountains Texas

The Chisos Mountains are located in the Big Bend National Park. The mountain range stretches twenty miles from Punta de la Sierra in the southwest to Panther Junction in the northeast. Big Bend National Park maintains an extensive system of hiking trails and required camping permits for its visitors. The Northeastern and Southeastern Ring trails are closed from 1 February to 31 May, along with some outlying campsites along these trails, to protect the local peregrine falcon population.

Chisos Mountains Map