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(lo͞ozŏn`), island (1990 pop. 30,797,458), 40,420 sq mi (104,688 sq km), largest, most populous, and most important of the Philippine Islands.

Land and People

The irregular coastline of Luzon provides several fine bays, most notably Manila Bay, which is considered the best natural harbor in E Asia and one of the finest in the world. N Luzon, which is drained by the Cagayan River, is very mountainous; the highest peak, Mt. Pulog, rises to 9,606 ft (2,928 m). In the east the great Sierra Madre range so closely parallels the shore that almost no coastal plain exists. Mountains extend generally along the entire length of the island, into the irregular Bicol peninsula to the southeast, where Mt. Mayon is the most famous volcano. In the west, the Zambales range runs from Lingayen Gulf S to Bataan peninsula. The island has two large lakes, Laguna de Bay and Taal. The inhabitants are almost all Christian and are principally Tagalogs and Ilocanos. Indigenous peoples include the Negritos and Igorots (the latter's famous rice terraces on steep mountain slopes are considered one of the agricultural wonders of the world).


Between the rugged coastal mountains, in central Luzon, lies the Central Plain, watered by the Pampanga and Agno rivers. Barely above sea level, c.100 mi (160 km) long and 40 mi (64 km) wide, it is the most important agricultural land in all the Philippines. It supplies food for almost the entire Manila area and is the nation's major rice-producing region and its second (after Negros island) sugarcane-producing area. Elsewhere, the Bicol peninsula is known for its extensive coconut plantations; the Cagayan River valley for its tobacco and corn. Other major crops are fruits, vegetables, and cacao. Luzon has important lumbering and mining industries; there are gold, chromite, nickel, copper, and iron deposits, and the bamboo on Bataan peninsula has many commercial uses. Manufacturing is centered in the Manila metropolitan area, where the major industries produce textiles, chemicals, and metal products. Scattered throughout the island are fertilizer plants, an occasional oil refinery, cement factories, and plywood mills and wood product plants.


As the major island, Luzon has played the leading role in the nation's history. Manila harbor has been important since the arrival of the Spanish in the late 16th cent. It was on Luzon that the Filipino revolt against Spanish rule began (1896), that U.S. forces wrested control of the islands from Spain (1898), and that the Philippine insurrection against U.S. rule broke out (1899). The island was invaded by Japanese forces in several places on Dec. 10, 1941, and in early 1942 the Allied forces made their last stand on BataanBataan
, peninsula and province (1990 pop. 426,000), W Luzon, the Philippines, between Manila Bay and the South China Sea. Balanga is the provincial capital. A mountainous, thickly jungled region, it has some of the best bamboo forests in the Philippines.
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 peninsula and CorregidorCorregidor
, historic fortified island (c.2 sq mi/5 sq km), at the entrance to Manila Bay, just off Bataan peninsula of Luzon island, the Philippines. From the days of the Spanish, Corregidor and its tiny neighboring islets—El Fraile, Caballo, and Carabao—guarded the
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. Luzon was recovered (1945) after a major landing from Lingayen Gulf (January), a bloody fight for Manila (February), and protracted mop-up operations, which were not completed until June. Luzon's several U.S. military bases were closed down between 1971 and 1992, in part because of the devastation caused by Mt. PinatuboPinatubo, Mount
, active volcano, 5,840 ft (1,780 m), central Luzon island, the Philippines, c.55 mi (90 km) NW of Manila. Dormant for 600 years, it began erupting on Apr. 2, 1991.
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's eruption; the one at Subic Bay was converted to a free-trade zone. See Philippines, ThePhilippines, The
, officially Republic of the Philippines, republic (2005 est. pop. 87,857,000), 115,830 sq mi (300,000 sq km), SW Pacific, in the Malay Archipelago off the SE Asia mainland. It comprises over 7,000 islands and rocks, of which only c.400 are permanently inhabited.
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the largest island of the Philippine archipelago. Area, 105,600 sq km. Population, about 16.7 million (1970, estimate).

In the west and south the coast is cut by numerous gulfs and bays that are suitable for navigation; rocky, precipitous shores predominate in the east. The terrain consists of a combination of mountains, intermontane plains, and coastal plains. The Cordillera Central, with Mt. Pulog, the highest point on Luzon (2,934 m), lies in the north. The island has active volcanoes (for example, Mayon; elevation, 2,462 m). There are deposits of gold, chromites, and copper and iron ores.

Luzon has a subequatorial monsoon climate. Owing to the influence of the northeast winter monsoon and the southwest summer monsoon, dry periods are short and irregular. The mean air temperatures are 23°-25°C on the northern plains and 27°-29°C in the south; it is significantly cooler in the mountains. Precipitation totals 2,000-3,000 mm a year, and typhoons are frequent. The rivers carry a great deal of water. In the mountains there are subequatorial evergreen and monsoon deciduous-evergreen forests; on the plains, savanna landscapes formerly predominated, but now most areas are under cultivation. The principal crops are rice, corn, coconuts, sugarcane, abaca, and tobacco. Quezon City, the official capital of the Philippines, as well as Manila, the country’s largest city, are on Luzon.



the main and largest island of the Philippines, in the N part of the archipelago, separated from the other islands by the Sibuyan Sea: important agriculturally, producing most of the country's rice, with large forests and rich mineral resources; industrial centres at Manila and Batangas. Capital: Quezon City. Pop.: 32 558 000 (1995 est.). Area: 108 378 sq. km (41 845 sq. miles)
References in periodicals archive ?
Northeast winds will be moderate to strong over the rest of Luzon and of Visayas, resulting in moderate to rough coastal waters.
Meanwhile, strong to gale winds will blow over northern Luzon and the eastern part of central and southern Luzon.
Emmanuel Salamat, Northern Luzon Command chief, said MBLT 8 will contribute to the military's "effort of bringing a lasting peace and sustainable development in Northern Luzon.
From an idyllic region known for its vast agricultural topography, Central Luzon at present boasts of a world-class airport, an all-weather golf course and the world's largest indoor arena, to name a few.
Because of the success of the first expedition, the House leadership decided to pursue the inspection project, this time in North Luzon, covering provinces and other areas in Northern Luzon and Central Luzon.
Luzon, about 40,000 square miles, is the largest island in the Philippines.
But the bizarre situation does not appear to faze Luzon, 39, as he becomes the latest boss to try his luck in The Valley hot seat.
It is moving westward at 17 kph and expected to cross over Luzon during the night.
Typhoon Usagi (also known as Odette) has flooded northern and central Luzon as it traversed almost 900 kilometres from the eastern to the western areas of northern Luzon, for seven days starting September 16.
Luzon is to be replaced by Jesus Zabalza, a senior executive vice president.
In 1945, as a 22-year-old private in the 56th special combat battalion, Guadines fought Japanese troops in a midnight battle on a riverbank to protect the small town of Juban on the island of Luzon.
As part of the deal, Alcatel will also install fiber optic cables running 1,600 kilometers across Luzon.