Toro Negro State Forest is one of the 21 forests that make up the public forests system in Puerto Rico. It is also Puerto Rico's highest cloud forest. It is in the Cordillera Central region of the island and covers 8,204 cuerdas, of mountains. Toro Negro's mountains have heights reaching up to 4,400 feet (1,300 m) and include Cerro de Punta, Cerro Jayuya and Cerro Rosa, the three highest peaks in the island. Nested among these mountains is Lake Guineo, the island's highest lake. The forest has 18 kilometers (11 mi) of trails, an observation tower, two natural swimming pools (Spanish:"charcos"), camping and picnic areas, nine rivers, and numerous creeks and waterfalls. The forest spans areas within the municipalities of Ponce, Jayuya, Orocovis, Ciales, and Juana Díaz, and consists of seven non-contiguous tracts of land. The largest contiguous segment of the forest is located in the municipalities of Ponce and Jayuya. Some 40% of the area of Toro Negro State Forest is located in Ponce's Barrio Anón.

The Cordillera Central, is the main mountain range in Puerto Rico. The range crosses the island from west to east and divides it into its northern and southern coastal plains. The Cordillera Central runs eastward from the municipality of Maricao in the west to Aibonito in the central eastern region, and on to the Caribbean in the southeast through the Sierra Cayey.