San Mateo (canton)
San Mateo is a canton in the Alajuela province of Costa Rica. The head city is in San Mateo district.
History
San Mateo was created on 7 August 1868 by decree 30.Geography
San Mateo has an area of km² and a mean elevation of metres.The northern border of the elongated province is formed by the Jesús María, Machuca, Agua Agría, Calera rivers and Quebrada Zapote. The Quebrada Concepción, Grande de Tárcoles and the Machuca rivers establish the southern border. Cerro La Lana is a landmark that delineates a northeast tip of the canton.