Cantonment Clinch was an Army fort in Pensacola, Florida during the 1820s and 1830s. Army Meteorological Register summarizes observations that the Post Surgeon began in 1822. Army troops escaping yellow fever at other forts and in Pensacola city built this cantonment at the head of Bayou Chico circa 1821. The cantonment lay three miles west of Pensacola, then a small town. They named the cantonment after a beloved colonel in their regiment. The post closed circa 1830; troops evacuated to Baton Rouge, Louisiana.