The city sits within the Arcadia Valley for which it is named, with Stouts Creek, a tributary of the St. Francis River, forming part of the boundary between it and Ironton. Several hills of 1,200 feet or higher rise just to the north and south of Arcadia, and Taum Sauk Mountain, the highest peak in Missouri, is just a few miles to the southwest. The city has a total area of 0.84 square miles, and an average elevation of 909 feet.<ref>https://web.archive.org/web/20120125061959/http://www.census.gov/geo/www/gazetteer/files/Gaz_places_national.txt</ref> | The city sits within the Arcadia Valley for which it is named, with Stouts Creek, a tributary of the St. Francis River, forming part of the boundary between it and Ironton. Several hills of 1,200 feet or higher rise just to the north and south of Arcadia, and Taum Sauk Mountain, the highest peak in Missouri, is just a few miles to the southwest. The city has a total area of 0.84 square miles, and an average elevation of 909 feet.<ref>https://web.archive.org/web/20120125061959/http://www.census.gov/geo/www/gazetteer/files/Gaz_places_national.txt</ref> |