The mainland measures some by , slightly larger than the U.S. state of Rhode Island. It is mostly mountainous with large coastal areas in the north and south regions of the island. Some popular beaches on the north-west side of the island are Jobos Beach, Maria's Beach, Domes Beach and Sandy Beach. The main mountainous range is called "La Cordillera Central" (The Central Range). The highest elevation point of Puerto Rico, Cerro de Punta (), is located in this range. Another important peak is El Yunque, located in the Sierra de Luquillo at the El Yunque National Forest, with a maximum elevation of . The capital, San Juan, is located on the main island's north coast.