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Information about Los Baños, Laguna

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Los Baños, officially the Municipality of Los Baños (Tagalog: Bayan ng Los Baños), is a 1st class municipality in the province of Laguna, Philippines. According to the 2015 census, it has a population of 112,008 people. It has a total land area of 56.5 square kilometers and is bordered on the south and south-west by Mount Makiling, on the north by Laguna de Bay., on the north-west by Calamba and on the east by the town of Bay. The town is located 63 kilometres (39 mi) southeast of Manila and is accessible via the South Luzon Expressway.

The municipality lies on the northern slopes of the long dormant volcano Mount Makiling and is known among tourists for its hot spring resorts. Los Baños also hosts two constituent universities of the University of the Philippines System: the University of the Philippines Los Baños and University of the Philippines Open University, along with other foreign and local and international research centers, such as the International Rice Research Institute, the ASEAN Center for Biodiversity, the Philippine Rice Research Institute, Philippine Carabao Center at UPLB, and SEAMEO-SEARCA, making the town a temporary home for tens of thousands of both local and foreign undergraduate and graduate students, researchers and support staff.

Los Baños was declared as the Special Science and Nature City of the Philippines through Presidential Proclamation No. 349. The proclamation, however, does not convert the municipality to a city or give it corporate powers that are accorded to other cities.

Aside from its importance in academics, science and research, Los Baños is a well-known tourist destination. Because of the town's proximity to Metro Manila, Los Baños' hot spring resorts are frequent weekend or summer getaways for residents of the vast metropolis and tourists from other places in the Philippines and abroad. Tourists who visit Los Baños also come to the several native delicacies stores in the town to buy the town's famous buko pie (coconut meat pie) as well as a home-grown brand of chocolate cake. Currently, it is Laguna's richest municipality in terms of assets amounting to Php 652.95 M.


Precolonial and Spanish colonial period

Los Baños started as a settlement, a barrio of Bay, called Mainit, the Tagalog term for "hot", alluding to the thermal springs at the foot of Mount Makiling. By 1589, through a Franciscan friar, it became popularly called by its present name, "Los Baños," which is Spanish for "bathing place".In 1595, a temporary building made of bamboo and cogon was built to serve as shelter for the patients who journeyed to Mainit to seek cures for their ailments. It was on 17 September 1615 when the friars administered Los Baños as a separate town from Bay.In 1671, more permanent structures like churches and hospitals were built only to be destroyed by a fire in 1727. The structures were re-erected at a slow rate. The church which now stands in the municipal center of Los Baños dates back to 1851. The Spanish Governor's palace was built in 1879 but was only completed in 1892.

American colonial period (1900–1946)

In 1909, the University of the Philippines College of Agriculture (UPCA) was established.

The UPCA became a Japanese prisoner of war camp for nationals of the Allied countries, a target of Kempetai punitive measures, and the headquarters of a secret organization of guerrillas. On 23 February 1945, US forces of the First Battalion, 511th Parachute Infantry Regiment of the Eleventh Airborne Division led a combined amphibious and airborne raid against the prison camp, rescuing over 2,000 Allied nationals. They killed the 250-man Japanese garrison. In order to force the prisoners to leave behind their belongings and speed up the evacuation before the Japanese could send reinforcements, US forces and Filipino guerrillas burned the camp. Only Baker Hall, the university gymnasium until 2010, remained intact.

Modern era (1946–present)

In 1959, the 10th World Scout Jamboree was held in Los Baños, with the theme "Building Tomorrow Today" with an attendance of 12,203 Scouts.

In 1962, the International Rice Research Institute (IRRI) began its operation.

In 1979, the evolution and development of academic excellence in Los Baños moved the people of Los Baños to request then president Ferdinand Marcos to declare the municipality as "A Special University Zone", granted on 15 June 1982 by virtue of letter of instruction No. 883.

Los Baños was further declared as an "Agriculture, Forestry, and Life Sciences Community" on 17 March 1982 by virtue of Executive Order No. 784 (Section 23).

On 7 August 2000, Los Baños was declared a Special Science and Nature City of the Philippines by virtue of Presidential Proclamation 349. It was signed by then President Joseph Estrada. The Proclamation is in recognition of the town's important contribution in country. The municipality has remained as the country's hub of science and nature with the presence of national and international research institutions collaborating towards the advancement of science research.The 6th Flora Malesiana, a triennial gathering of people with botanical expertise regarding "Malesia," was held from 20 to 24 September 2004. It provided a forum for Flora Malesiana members and encouraged publications on Malesian plants.

During the 2005 Southeast Asian Games, Los Baños played host to the aquatics events, with the newly built Trace Aquatic Center at Trace College serving as the venue.

The headquarters of the Association of Southeast Asian Nations (ASEAN) Center for Biodiversity was opened on 8 August 2006 at the DENR-Ecosystems Research and Development Bureau, located at the College of Forestry, University of the Philippines Los Baños. It coincided with the foundation day celebrations of the organization. The Philippines assumed the Chairmanship of ASEAN in 2006 and played host to the 12th ASEAN and East Asia Summits (held in Metro Cebu, January 2007).

In January 2007, the 5th ASEAN Inter-Club Age-Group Swimming Championships was held in the Trace Aqua Sports Center.

Los Baños also plays host to the UAAP, as the Trace Aquatics Center has served as the venue for the league's swimming competitions since UAAP Season 70 until UAAP Season 76.

Currently, Los Baños is probably the densest habitat of academicians in South East Asia. Although it is a small town, it has contributed widely through scientific achievements and contributions locally and worldwide particularly on agriculture.On December 3, 2020, its incumbent mayor, Caesar P. Perez was assassinated by an armed assailant.


Los Baños is nestled between two of Southern Luzon's most dominant geographical features – Mount Makiling to the south and south-west and Laguna de Bay to the north. In fact, Laguna de Bay's southernmost tip is at Barangay Bambang, and Barangay Bagong Silang is already halfway up Mount Makiling. Both the mountain and the lake are volcanic features – Makiling being a potentially active volcano whose geothermal activities gave birth to the hot springs after which the town was named, and Laguna de Bay being the filled-in caldera of a massive prehistoric volcano.

Another notable geological feature is Tadlac Lake, a maar lake whose almost perfectly round shape and uncharted waters have led some locals to call it "the enchanted lake." Others call it "alligator lake", a reminder that it served as the last bastion of Laguna de Bay's once-plentiful cayman population, which has since been wiped out and is now just another legendary part of Philippine history.


The town of Los Baños is crossed by five rivers or creeks:

The Dampalit river, which is named after an edible herb, dampalit (Sesuvium portulacastrum), which often grows near river shores, originates on the north face of Mt. Makiling east of the Philippine High School for the Arts, and feeds into Laguna lake at the boundary of Barangays Lalakay and Bambang.

The Saran creek, whose headwaters begin somewhere near the municipal dumpsite, flows through Barangay Anos near the municipal cemetery, and feeds into the lake at Barangay Malinta.

The Pele creek, named after the pili tree (Canarium ovatum), flows through the west side of Barangay Batong Malake and has its mouth at the boundary of Barangays Malinta and Mayondon.

The Molawin River, most familiar to UPLB students because it flows through the UPLB campus and the Makiling Botanic Gardens, is named after the Molave tree (Vitex parviflora).

The Maitim river, whose name means "black", flows through the westernmost portions of Los Baños, marking the town's boundary with its neighboring town of Bay. The Molawin and Maitim rivers merge just a few meters before feeding into Laguna de Bay at the shore of Barangay Maahas.


Los Baños has a tropical monsoon climate (Köppen climate classification Am).



Los Baños is politically subdivided into 14 barangays.


In the 2015 census, the population of Los Baños was 112,008 people,  with a density of 2,100 inhabitants per square kilometre or 5,400 inhabitants per square mile.

Places of interest

University of the Philippines Los Baños and other places of interest within its administered area

Mount Makiling

Makiling Botanic Gardens

ASEAN Center for Biodiversity

UPLB Museum of Natural History

Flatrocks – creek usually frequented by hikers

Mudspring – Presumed volcanic crater of Mt. Makiling

Peak 2 – Highest peak of Mt. Makiling

Pook ni Maria Makiling, an eco-tourism site adjacent to the Jamboree Site, National Arts Center, and U.P. Los Baños

Boy Scouts of the Philippines and Jamboree Site – a campsite at the foot of Mount Makiling adjacent to U.P. Los Baños, which is being managed by the Boy Scouts of the Philippines and the site of the 10th World Scout Jamboree in 1959, the 1st and 12th Asia Pacific Jamboree in 1973 and 1991, and the 1st ASEAN Jamboree in 1993.

National Arts Center – a patch of land at the foot of Mount Makiling adjacent to U.P. Los Baños, which is being managed by the Cultural Center of the Philippines and the site of the Philippine High School for the Arts, a special school for young artist scholars.

International Rice Research Institute

Dairy Training & Research Institute

Philippine Carabao Center at UPLB (PCC at UPLB) – conducts R&D in water buffalo; implements other programs related to water buffalo development; one of the 13 regional centers of PCC (see the link below)

Agricultural and Life Sciences Complex

National Institute of Molecular Biology and Biotechnology (NIMBB/BIOTECH) – UPLB

Institute of Plant Breeding

APEC Center for Technology Exchange and Training for Small and Medium Enterprises (ACTETSME)

National Crop Protection Center (NCPC)

College of Agriculture AgriPark

Baker Hall (also known as Los Baños Internment Camp during World War II)

University of the Philippines Open University

Philippine Council for Agriculture, Aquatic, and Natural Resources Research and Development (PCAARRD)

Department of Science and Technology Regional Office for Region IV (DOST IV)

Magnetic Hill

Dampalit Falls

Immaculate Conception Parish – a centuries-old church at the town proper (Poblacion/Bayan)

Paciano Rizal Shrine – house of Paciano Rizal, brother of National Hero Jose Rizal

Paciano Rizal Park – park dedicated to Paciano Rizal, brother of National Hero Jose Rizal

Trace Aqua Sports Complex and Museum – aquatic sports venue for the 2005 SEA Games and Philippine Olympic Festival

Yamashita Shrine – execution site of Gen. Homma and Gen. Yamashita


There are 16 daycare schools in Los Baños, managed by DSWD and local government.

University of the Philippines Los Baños

University of the Philippines Open University

Laguna State Polytechnic University (Los Baños Campus)

Christian School International

Maquiling School Incorporated

Trace College

Colegio De Los Baños

Saint Anthony School-LB

Los Baños National High School

Los Baños National High School – Poblacion

Liceo de Los Baños

University of the Philippines Rural High School

Los Baños Central Elementary School

Lopez Elementary School

Bernaldo N. Calara Elementary School

Liceo de Los Baños

South Hill School Inc.

San Antonio Elementary School

The Learning Place International

Morning Star Montessori School Inc.

Maranatha Elementary School

Hasik Bagong Buhay Christian School

Joy in Learning School

Los Baños Faith Christian School

Lalakay Elementary School

Malinta Elementary School

Mayondon Elementary School

Tuntungin Elementary School

Bayog Elementary School

Tadlac Elementary School

Bagong Silang Elementary School

Content is taken from Wikipedia

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