Río Grande de Loíza
| Grande de Loíza | |
|---|---|
Loiza River mouth. | |
| Location | |
| Commonwealth | Puerto Rico |
| Municipality | San Lorenzo, Gurabo, Caguas, Trujillo Alto, Carolina, Loíza |
| Physical characteristics | |
| Source | |
| • location | Sierra de Cayey in Espino, San Lorenzo, Puerto Rico |
| • elevation | 2,051 feet (625 m) |
| Mouth | |
• location | Atlantic Ocean between Torrecilla Baja and Loíza, Loíza, Puerto Rico |
• elevation | 0 ft (0 m) |
| Length | 64 km (40 mi) |
| Basin features | |
| Tributaries | |
| • left | Emajagua River, Turabo River, Cagüitas River, Bairoa River, Cañas River |
| • right | Cayaguas River, Gurabo River, Canovanillas River, Canóvanas River |
The Rio Grande de Loíza (English: Great River of Loíza or Loíza River) is a river in the main island of Puerto Rico. It is the largest river in Puerto Rico by discharge volume. Situated on the north coast of the island, it originates in the northeastern Sierra de Cayey, flowing from south to north, and draining into the Atlantic Ocean, a few miles east of San Juan.
Rio Grande de Loíza runs for approximately 40 miles (64 kilometers). It has its origin in the municipality of San Lorenzo at an altitude of approximately 3,500 feet (1,100 meters) above sea level. It runs through the municipalities of San Lorenzo, Caguas, Gurabo, Trujillo Alto, Carolina, Canóvanas and Loíza, forming the Loíza Lake along its route, making it one of the longest rivers on the island.