Boncarbo is an unincorporated community in Las Animas County, Colorado, United States.

[4] The town of Boncarbo was established by the American Smelting and Refining Company in 1915.

[3] Boncarbo is a corruption of the French bon carbon, meaning good coal.

[3] The Boncarbo, Colorado, post office operated from November 15, 1917, until August 12, 2017.

[3] Boncarbo is located at coordinates 37°13′00″N 104°41′42″W / 37.2167°N 104.6950°W / 37.2167; -104.6950 at an elevation of 6,877 feet (2,096 m). }