Río Grande de Loíza facts for kids
Quick facts for kids Grande de Loíza |
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Loiza River mouth.
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| Commonwealth | Puerto Rico |
| Municipality | San Lorenzo, Gurabo, Caguas, Trujillo Alto, Carolina, Loíza |
| Physical characteristics | |
| Main source | Sierra de Cayey in Espino, San Lorenzo, Puerto Rico 2,051 feet (625 m) |
| River mouth | Atlantic Ocean between Torrecilla Baja and Loíza, Loíza, Puerto Rico 0 ft (0 m) |
| Length | 64 km (40 mi) |
| Basin features | |
| Tributaries |
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The Rio Grande de Loíza (English: Great River of Loíza, Grande de Loíza, or just Loíza River) is a river in the island of Puerto Rico. It is the largest river in Puerto Rico by discharge volume. It is situated on the north coast of the island. It flows from south to north and drains 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 the second longest river on the island, behind Río de la Plata.
Contents
Geography
The Rio Grande de Loíza basin is the largest in Puerto Rico with an area of 751 square kilometres (289.9 sq mi). The source of the river is located in the Espino barrio of San Lorenzo, Puerto Rico on the eastern slopes of the Sierra de Cayey mountain range, close to Carite State Forest. The river flows northeastwardly through the San Lorenzo batholith, a hilly region of intrusive igneous rock, where it meets with the tributaries of Emajagua and Cayaguas. From here, the river turns northwest towards the Caguas Valley where it meets numerous other rivers and creeks including the Turabo, Gurabo, Bairoa and Cagüitas rivers. North of this, the river is dammed and flows through the reservoir Loíza Lake (also known as Carraízo Lake, after the barrio of Trujillo Alto it is located in). The river finally flows into San Juan's urban area and the Northern Plain of Puerto Rico where it discharges into the Atlantic Ocean.
History
The river is of historical importance due to the number of settlements, cities and towns that were founded along it such as San Lorenzo, Caguas and Trujillo Alto.
In the 1898 Military Notes on Puerto Rico by the U.S. it is written that the "limits of the Loisa River are: On the east, the sierra of Luquillo (situated near the northeast corner of the island); on the south, the sierra of Cayey, and on the west, ramifications of the latter. It rises in the northern slopes of the sierra of Cayey, and, running in a northwest direction for the first half of its course and turning to northeast in the second half, it arrives at Loisa, a port on the northern coast, where it discharges its waters into the Atlantic. During the first part of its course, it is known by the name of Cayagua." The river was commemorated in a poem by Puerto Rican poet Julia de Burgos.
In mid 2018, the United States Army Corps of Engineers announced it would be undertaking a major flood control project of the river, with a budget of $250 million.
List of features
San Lorenzo
Gurabo
Caguas
Trujillo Alto
- Carraízo
- Loíza Lake and Carraízo Dam
- Trujillo Alto (Pueblo)
Carolina
Canóvanas
- Canóvanas (Pueblo)
- Santa Bárbara
Loíza
Gallery
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View of the river in Carraízo, Trujillo Alto close to the reservoir.
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Flooding of the Loíza River's dam during Hurricane Hortense.
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Loíza River in the Caguas Valley.
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View of the Loíza River in Puerto Rico's northeastern plains from the International Space Station.
See also
In Spanish: Río Grande de Loíza para niños
- Puente de Trujillo Alto: NRHP listing in Trujillo Alto, Puerto Rico
- List of rivers of Puerto Rico
