Monterrey is a district of the San Carlos canton, in the Alajuela province of Costa Rica.

[2] Monterrey has an area of 220.2 km2[3] and a mean elevation of 280 (100-1200 range) metres.

[1] It is located in the northern region of the country and borders with Pocosol to the north, La Fortuna and Tilarán to the south, La Fortuna and Cutris to the east and Venado to the west.

Its head, the town of Monterrey, is located 50.6 km (1 hour 2 minutes) to the NW of Ciudad Quesada and 142 km (2 hours 47 minutes) to the NW of San Jose the capital of the nation.

[6] The district is covered by the following road routes: Monterrey has 17 population centers: The district is characterized by a fresh climate, mountains and evergreen grasslands that together with the wealth and abundance of water, allows the development of meat and milk breeding, as well as planting roots and tubers.