 Fort de Cavagnial inozivikanwawo seFort Cavagnolle, Fort Cavagnal, Post yeMissouri, kana Fort de la Trinité yaiva nhare yeFrance uye nzvimbo yekutengesa iri kumahombekombe ekumadokero eRwizi rweMissouri, kumwe kuchamhembe kweKansas City, Kansas, uye Fort Leavenworth, Kansas, kubva muna 1744 kusvika munenge muna 1764. Nepo matongo enzvimbo yacho akanga achiri kuoneka apo Meriwether Lewis naWilliam Clark vakapinda munharaunda yacho mukati menzendo yavo yakakurumbira yokuMadokero muna 1804, zvisaririra zvose zveimba yacho pakupedzisira zvakarasika pakati pezana ramakore rechi19. Nhasi, nzvimbo chaiyoiyo yenhare yacho haisati yazivikanwa. 