Caramoan Peninsula is a hilly peninsula, with deep gorges and a rough, rocky terrain, located in north-east Camarines Sur, Bicol. A peninsula is a piece of land that is nearly surrounded by Water but connected to Mainland via an Isthmus. Camarines Sur is a province of the Philippines located in the Bicol Region in Luzon. The place has a National Park which has caves, limestone formations, white sandy beaches, an islet lake and a subterranean river, make it popular with tourists. Limestone is a Sedimentary rock composed largely of the Mineral Calcite ( Calcium carbonate: CaCO3 It is accessible by public transport from the town of Caramoan, and local people have established trails in the park for visitors. Caramoan is a 4th class municipality on the Caramoan Peninsula, in the province of Bicol Camarines Sur, Philippines.