Geography Columbia is located just east of the center of Caldwell Parish at (32.104042, -92.076921), on the southwest bank of the Ouachita River. U.S. Route 165 passes through the center of town and bridges the river, leading north to Monroe and south to Alexandria.
Geography Columbia is located just east of the center of Caldwell Parish at (32.104042, -92.076921), on the southwest bank of the Ouachita River. U.S. Route 165 passes through the center of town and bridges the river, leading north to Monroe and south to Alexandria.