Tierra Amarilla is a census-designated place in and the county seat of Rio Arriba County, New Mexico, United States.
Tierra Amarilla is Spanish for "Yellow Earth". The name refers to clay deposits found in the Chama River Valley and used by Native American peoples. Tewa and Navajo toponyms for the area also refer to the yellow clay.
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Rio Arriba County (Spanish: Condado de Río Arriba) is a county in the U.S. state of New Mexico. As of the 2020 census, the population was 40,363. Its county seat is Tierra Amarilla. Its northern border is the Colorado state line.
Rio Arriba County comprises the Española, New Mexico, micropolitan statistical area, which is also included in the Albuquerque–Santa Fe–Los Alamos combined statistical area.
View the full Wikipedia page for Rio Arriba County, New Mexico