Pompeys Pillar National Monument is a rock formation located in south central Montana, United States. Designated a national monument on January 17, 2001, and managed by the U.S. Bureau of Land Management in conjunction with The Friends of Pompeys Pillar, it consists of only 51 acres, making it one of the smallest National Monuments in the U.S. The community of
Pompeys Pillar lies just east of the monument.
Wikipedia https://en.wikipedia.org/wiki/Pompeys_Pillar_National_Monument
Official Website http://www.pompeyspillar.org/
Email info@pompeyspillar.org
Address 59088, United States
Coordinates 45°59'42.889" N -108°0'19.396" E