The Mangangate River also referred to as the Alabang-Cupang River, is a river system in Muntinlupa City

Muntinlupa City

The City of Muntinlupa is the southernmost city in Philippine National Capital Region. It is bordered on the north by Taguig City; to the northwest by Parañaque City; by Las Piñas City to the west; to the southwest by the city of Bacoor, Cavite; by the city of San Pedro, Laguna; and by Laguna de...

, Philippines. It is one of 21 major tributaries of Laguna de Bay

Laguna de Bay

Laguna de Bay is the largest lake in the Philippines and the third largest freshwater lake in Southeast Asia after Tonle Sap in Cambodia and Lake Toba in Sumatra, Indonesia. It is on the island of Luzon between the provinces of Laguna to the south and Rizal to the north...

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The main stream has a total length of 10 kilometers and has two branches. The first is connected to the drainage system of Ayala Alabang Village

Ayala alabang village

Ayala Alabang was an outer suburb of Metro Manila in Muntinlupa city district in the Philippines around from the center of Metro Manila. The upscale neighborhood was created in 1981. Large portion of it came from Barangay Alabang....

, while the second is connected with the headwater from NBP Reservation, near Camp Sampaguita. This second branch flows through at Ayala Alabang Village and Filinvest Commercial Site, and connects with the first branch at Pasong Diablo site until it drains out into Laguna de Bay at a point between Wawa, Alabang and Purok 1, Cupang.

The river system has four adjoining creeks:

• The biggest, at a length of 3,500 meters, joins the river at Pasong Diablo and serves as the Ayala Alabang Village Drainage.
• Two creeks join the mainstream at the Filinvest site.
• At the NBP Reservation, one creek spans 800 meters

The depth of the Mangangate currently varies from two meters to 0.25 meters

See also

• Laguna de Bay
  Laguna de Bay
  Laguna de Bay is the largest lake in the Philippines and the third largest freshwater lake in Southeast Asia after Tonle Sap in Cambodia and Lake Toba in Sumatra, Indonesia. It is on the island of Luzon between the provinces of Laguna to the south and Rizal to the north...
  
  
• Laguna Lake Development Authority
  Laguna Lake Development Authority
  The Philippines' Laguna Lake Development Authority abbreviated as LLDA is one of the attached agencies of the Philippines' Department of Environment and Natural Resources responsible in the preservation, development and sustainability of the Laguna de Bay and its 21 major tributary rivers.- History...