Dixie is an unincorporated community in Idaho County, Idaho, United States, located 43 miles east-northeast of Riggins. Dixie was an important gateway to the Thunder Mountain Mines of Idaho during the early 1900s when Dixie was on the northern terminus of the Three Blaze Trail, a shortcut route to the mines via Campbell's Ferry, and what is now th…Dixie is an unincorporated community in Idaho County, Idaho, United States, located 43 miles east-northeast of Riggins. Dixie was an important gateway to the Thunder Mountain Mines of Idaho during the early 1900s when Dixie was on the northern terminus of the Three Blaze Trail, a shortcut route to the mines via Campbell's Ferry, and what is now the Frank Church-River of No Return Wilderness, Chamberlain Basin, and southward to the mining community of Roosevelt, located on Monumental Creek.