Filhiol Mound Site is an archaeological site of the Coles Creek culture in Ouachita Parish, Louisiana on a natural levee of the Ouachita River.
The site consists of a platform mound which now measures in height, with the base being by . Excavations at the site have produced charcoal from beneath the mound which dates to 700âÂÂ1200 CE. A cemetery established in the 1850s on the mounds summit has helped preserve it.
The site is located on US 165 south of its junction with on Interstate 20.