Saddle Hill

The Cerro de la Silla is a mountain and natural monument located within the metropolitan area of the city of Monterrey, Nuevo León, in northeastern Mexico. Named for its distinctive saddle-shaped profile when viewed from the west, it is a well-known symbol of the city of Monterrey, despite being located in the adjacent municipality of Guadalupe.

It covers an area of 60.5 square kilometres. The mountain has four peaks: Pico Antena, Pico Norte, Pico Sur and Pico la Virgen; Pico Norte is the highest at 1,820 m while Pico la Virgen is the lowest at 1,750 m.

Source: Wikipedia