: The range's highest point, rising dramatically from the Rio Grande Valley. It is known for its steep, off-trail terrain and isolation.

"Islas de los Ladrones" (Islands of Thieves) was the original Spanish name given to the , including Guam .

: The range contains thick sections of Pennsylvanian-age rocks (roughly 300 million years old), including the Sandia, Gray Mesa, and Atrasado formations.

: Named by Ferdinand Magellan in 1521 after a cultural misunderstanding regarding the ownership and exchange of goods between his crew and the native Chamorro people.

Ladrones

Ladrones

: The range's highest point, rising dramatically from the Rio Grande Valley. It is known for its steep, off-trail terrain and isolation.

"Islas de los Ladrones" (Islands of Thieves) was the original Spanish name given to the , including Guam . Ladrones

: The range contains thick sections of Pennsylvanian-age rocks (roughly 300 million years old), including the Sandia, Gray Mesa, and Atrasado formations. : The range's highest point, rising dramatically from

: Named by Ferdinand Magellan in 1521 after a cultural misunderstanding regarding the ownership and exchange of goods between his crew and the native Chamorro people. : The range's highest point