Yılanlı is a village in Aksu District, in Isparta Province, Türkiye. Yılanlı lies at 1,225 m above sea level, in the Kuyucak Dağı mountains. It has 425 inhabitants. The nearest city is Isparta, 39 km to the west. Among the landmarks around are Sagalassos (43 km), Sorgun Dam (10.4 km) and Adada (23 km). Among the natural features are Pınargözü Cave (30 km).