Mynydd Preseli is a mountain range located in Pembrokeshire, Wales. It is known for its rugged terrain and stunning landscapes, featuring hills that rise to about 536 meters (1,755 feet) at its highest point, Foel Cwmcerwyn. The area is rich in wildlife and offers various walking trails for outdoor enthusiasts. The mountain range is also famous for its historical significance, particularly as the source of the bluestones used in the construction of Stonehenge. These stones, believed to have been transported from Wales to England, highlight the area's ancient cultural importance and connection to prehistoric rituals.