Ixtlán del Rio is an archaeological site located in the Ixtlán del Rio municipality, on the south west region of the Nayarit State, Mexico. It is also known as "Los Toriles" and contains the only vestiges of the western cultures in Nayarit. The presence of prehispanic vestiges in the form of petroglyphs are registered in five areas, the most important are "El Terrero", "Sayulapa" and "El Veladero", which depict sgraffiti lines and representations of abstract figures, such as spirals with rays.