Fairchild Mountain is a high mountain summit in the Mummy Range of the Rocky Mountains of North America. The thirteener is located in the Rocky Mountain National Park Wilderness, northwest (bearing 311ð) of the Town of Estes Park in Larimer County, Colorado, United States. The mountain was named after Lucius Fairchild, an American Civil War veteran who had served as Governor of Wisconsin and U.S. Minister to Spain.