Fort Piegan

historical site, Montana, United States

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Last updated

July 1, 2026

Quick Summary

Fort Piegan was an American Fur Company trading post established in 1831 near the Marias River in Montana. The Marias River, formed by several creeks and rivers, flows southeastward into the Missouri River. This area was part of the territory acquired by the United States through the Louisiana Purchase and explored by the Lewis and Clark Expedition. The Marias River was also the site of the Marias Massacre in 1870, where U.S. soldiers killed many Piegan, Blackfoot, and Blood Indians.12

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Marias River
…site of Cut Bank, where Fort Piegan, an American Fur Company trading post, was established in 1831. The river was the site of one of the bloodiest incidents of the Indian Wars when, on January 23, 1870, U.S. soldiers killed 173 Piegan, Blackfoot, and Blood Indians, mostly elderly men, women,…
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…site of Cut Bank, where Fort Piegan, an American Fur Company trading post, was established in 1831. The river was the site of one of the bloodiest incidents of the Indian Wars when, on January 23, 1870, U.S. soldiers killed 173 Piegan, Blackfoot, and Blood Indians, mostly elderly men, women,…
Read More