The Bay River, also known as the Sapang River or the San Nicolas River, is a river system in Bay, Laguna. It is one of 21 major tributaries of Laguna de Bay and is the more southern of two small rivers that hem the town proper of Bay.
The Bumbungan River is a river in the province of Laguna in the Philippines. It is commonly referred to as the Pagsanjan River because of the popularity of Pagsanjan town and Pagsanjan Falls, the province's most popular destination. The official website of Pagsanjan town and the people of Cavinti refers to the river as Bumbungan River. The municipality of Pagsanjan was named so because it is where the Balanac River, originating from Mount Banahaw, joins the Bumbungan. Its old name, Pinagsangahan, which literally means branching, was changed to Pagsanjan during the Spanish Colonial Era.
The Bay River, also known as the Sapang River or the San Nicolas River, is a river system in Bay, Laguna. It is one of 21 major tributaries of Laguna de Bay and is the more southern of two small rivers that hem the town proper of Bay.
The Bay River, also known as the Sapang River or the San Nicolas River, is a river system in Bay, Laguna. It is one of 21 major tributaries of Laguna de Bay and is the more southern of two small rivers that hem the town proper of Bay.

The Mangangate River, also referred to as the Alabang-Cupang River, is a river system in Muntinlupa, Philippines. It is one of 21 major tributaries of Laguna de Bay.
Marikina River is a river in eastern Metro Manila, Philippines. It is the largest tributary of Pasig River with headwaters located in the Sierra Madre Mountains in Rodriguez, Rizal province.
The Molawin River, also referred to as the Molawin Creek, is one of the many low volume flowing rocky streams crisscrossing the campus of the University of the Philippines Los Baños and some areas of the town of Los Baños. Molawin Creek crosses the whole of the UPLB campus and essentially cuts it in half making it necessary to construct several bridges throughout the University's history to improve the campus' integrity and general accessibility. Volume of flow depends on the average rainfall of the season and develops into a raging river during typhoons or heavy rainfall. It is a minor tributary of Laguna Lake, one among many small creeks that empty into Laguna de Bay. The origins of Molawin Creek and the other creeks in Los Baños have not been pinpointed but are generally accepted to have their origins high up in Mount Makiling. The name Molawin is a local variation of the name of the Molave tree.

The Morong River, also referred to as the Morong-Teresa River, is a river system in Rizal, Philippines. It is one of 21 major tributaries of Laguna de Bay. It covers 14 barangays and stretches 10 kilometres (6.2 mi) from Antipolo City down to Teresa, Rizal, Morong, Rizal and finally to Laguna de Bay.

The Pangil River, also known as the Bambang Hari River, is a river system that runs through Pangil, Laguna in the Philippines. It is one of 21 River tributaries of Laguna de Bay and is regularly monitored by the Laguna Lake Development Authority(LLDA) through one of its 15 river monitoring stations.

The Pasig River is a river in the Philippines that connects Laguna de Bay to Manila Bay. Stretching for 25.2 kilometers (15.7 mi), it bisects the Philippine capital of Manila and its surrounding urban area into northern and southern halves. Its major tributaries are the Marikina River and San Juan River. The total drainage basin of Pasig River, including the basin of Laguna de Bay, covers 4,678 square kilometers (1,806 sq mi).

The San Cristobal River commonly known as Matang Tubig River is a river system in the cities of Calamba and Cabuyao, Laguna, Philippines. The river is one of 21 major tributaries of Laguna de Bay.

The San Juan River, also known as Calamba River, is a river system in Calamba City, Philippines. It is one of 21 major tributaries of Laguna de Bay and is regularly monitored by the Laguna Lake Development Authority (LLDA) through one of its 15 river monitoring stations.
The Santa Cruz River is a river system in Santa Cruz, Laguna on the island of Luzon, in the Philippines.

The Sapang Baho River is a river system that runs through Rizal Province and Marikina in the Philippines. The name, when literally translated, means "smelly creek." It is one of 21 tributaries of Laguna de Bay and is regularly monitored by the Laguna Lake Development Authority (LLDA) through one of its 15 river monitoring stations. Among its headwaters are the Hinulugang Taktak falls on the Taktak River in Antipolo city, once a famed tourist destination in the days before urbanization and pollution.

The Siniloan River, also known as the Romelo River, is a river system that runs through Siniloan, Laguna on the island of Luzon, in the Philippines. It is one of 21 tributaries of Laguna de Bay and is regularly monitored by the Laguna Lake Development Authority (LLDA) through one of its 15 river monitoring stations.

The Tunasan River, also referred to as the Tunasan-Cuyab River, is a river system in the Philippines. This river begins in Dasmariñas, Cavite, and ends 9 kilometres (5.6 mi) at the border of Muntinlupa, and San Pedro, Laguna. It is one of 21 major tributaries of Laguna de Bay.