The Rio Culebra Ranch near San Luis is one of our oldest centennial farms. It dates back to 1863 when Ignacita and Blas Olivas acquired the property within the Sangre de Cristo land grant. The ranch today encompasses over 400 acres of San Pedro bottom lands and is owned by Ida and Elmer Valdez; Ida being the great grand-daughter of the original settlers. The Rio Culebra Ranch is also being given an historic structures award for having preserved several older buildings.