Truchas is an unincorporated community in Rio Arriba County, New Mexico, United States. Located on the scenic High Road to Taos, it is halfway between Santa Fe in the south, and Taos to the north.
Truchas has the ZIP code 87578. The 87578 ZIP Code Tabulation Area, which includes the nearby village of Cordova, New Mexico, had a population of 1205 at the 2000 census.
Straddling a high ridge, the community began as a The Nuestra Señora del Rosario, San Fernando y Santiago del Rio de las Truchas Grant, a Spanish land grant in 1754 and, due to its geography and location, remained a relatively unchanged outpost over the centuries. The land grant is commonly known as the Truchas Land Grant, gaining its name from the river that provides the water for irrigation of the land. Truchas is the Spanish word for trout.