Cerro del Topo Chico is an inactive volcano located in the western portion of the city of San Nicolás de los Garza

San Nicolás de los Garza

San Nicolás de los Garza, sometimes known only as San Nicolás, is a city and coextensive municipality in the Mexican state of Nuevo León that is part of the Monterrey Metropolitan area. It has become primarily a city for residencies and family houses, although it still has several factories that...

 and within the northern limits of the Monterrey

Monterrey

Monterrey , is the capital city of the northeastern state of Nuevo León in the country of Mexico. The city is anchor to the third-largest metropolitan area in Mexico and is ranked as the ninth-largest city in the nation. Monterrey serves as a commercial center in the north of the country and is the...

 metropolitan area (both cities are in the Mexican state of Nuevo León

Nuevo León

Nuevo León It is located in Northeastern Mexico. It is bordered by the states of Tamaulipas to the north and east, San Luis Potosí to the south, and Coahuila to the west. To the north, Nuevo León has a 15 kilometer stretch of the U.S.-Mexico border adjacent to the U.S...

).

The gray areas depicted on the photos are limestone quarries from which raw material is extracted to manufacture cement.

Some other known mountains or elevations of the zone are: the Cerro de la Silla

Cerro de la Silla

Cerro de la Silla , named for its distinctive saddle-shaped profile when viewed from the west, is a famous symbol of the landscape of the state of Nuevo León, Mexico. Even though the mountain itself is located in the adjacent city of Guadalupe, it is widely associated to the city of Monterrey,...

, Cerro de las Mitras

Cerro de las Mitras

Cerro de las Mitras , named for its distinctive miter-shaped structures at the very top viewed from the northern side, is another symbol of the landscape of the state of Nuevo León, Mexico. Located in the cities of Monterrey, Santa Catarina and García....

, the Sierra Madre Oriental

Sierra Madre Oriental

The Sierra Madre Oriental is a mountain range in northeastern Mexico.-Setting:Spanning the Sierra Madre Oriental runs from Coahuila south through Nuevo León, southwest Tamaulipas, San Luis Potosí, Querétaro, and Hidalgo to northern Puebla, where it joins with the east-west running Eje Volcánico...

 -the "m" figure

La m

Being part of the Sierra Madre Oriental, La m or the "eme" is a figure located on top of the mountain chain, in the state of Nuevo León, México....

 visible from various parts of the city-, Cerro del Obispado

Cerro del Obispado

The Cerro del Obispado is a famous landmark in the city of Monterrey, Mexico, named after the building constructed in the middle of the hill by the end of the 18th century....

, Cerro de la Loma Larga

Cerro de la Loma Larga

Cerro de la Loma Larga , or Loma Larga located in the Monterrey, Nuevo León metropolitan area is a lower extension of the Sierra Madre Oriental, in particular an eastern extension of Cerro de las Mitras.The hill has long been considered the natural division of the now adjacent cities of Monterrey...

 and La Huasteca.