Eagle Nest is a village in Colfax County, New Mexico, United States. The population was 290 at the 2010 census. Situated on the Enchanted Circle Scenic Byway, Eagle Nest is a small summer-home and resort area. Originally named Therma, the village was renamed Eagle Nest in the 1930s. The town is located in the Sangre de Cristo Mountains in northern New Mexico near the Colorado-state line.