La Pierre Tourneresse is a large menhir located in the commune of Saint-Sulpice-de-Faleyrens in southwestern France. Standing at over 5 meters tall, it is one of the largest menhirs in the region and dates back to the Neolithic period, around 4000 BCE. The purpose of the menhir is unclear, but it is believed to have had religious or ceremonial significance for the people who built it. The site is also notable for its panoramic views of the surrounding countryside.