Satun was once submerged in the southern hemisphere until the movement of tectonic plates pushed the terrain up. Covering an area of 2,600km² in four districts, its geopark is home to the region's most ancient marine fossils such as nautiloids dating back to the palaeozoic era (between 500-250 million years ago).
The 7th Asia Pacific Geoparks Network Symposium (APGN) 2022 is scheduled for September 4–11, 2022 at Songkhla Rajabhat University, Satun Campus and UNESCO Global Geoparks covering four districts in Satun, comprising Mueang Satun, La-Ngu, Thung Wa, and Manang, as well as other key landmarks in the province.