Mount Arayat

November 26, 2010

Mount Arayat is a potentially active stratovolcano on Luzon Island, Philippines, mounting to a height of 1,026 metres (3,366 ft) ASL. There is no shown eruption of the volcano, & its last activity probably dates to the Holocene era. The volcano is located in a flat agricultural region at 15°12′N 120°45′E / 15.2°N 120.75°E / 15.2; 120.75. The southern half of the mountain lies inside the municipality of Arayat, Pampanga, while the north half and the mountain peak lies within Magalang, Pampanga. 10 miles to the west of Mount Arayat is Angeles City & the former Clark Air Base. Mount Pinatubo is located a further 10 miles west. It is considered a mystical mountain, the legendary home of the diwata Mariang Sinukuan, & was once believed to contain a wealth of fruit.

Two trails lead to the 2 peaks of Mount Arayat. Mount Arayat National Park, at Arayat, Pampanga, has a trail to Peak 1. This is the more popular trail, taking around 3–4 hours to reach the peak. Peak 1 offers views of Central Luzon, including Pampanga river, the mountains of Zambales and Bataan (W), and the mountains of the Sierra Madre range (E). On the other hand, Peak 2 can be accessed from Magalang, Pampanga, taking a similar time to negotiate. Mount Arayat stands in the middle of the flat Central Luzon Plain, consisting of rice paddies and a typical elevation of about 15 to 30 meters MSL. The mountain is topped by a circular volcanic crater about 1.2 km in diameter, much of which has collapsed on the western and part of the northern rim due to erosion. This has led in a breached crater which opens in a west-northwest direction. This area is the apparent source of a major debris-avalanche deposit that forms hummocky terrain beyond the west & northwest sides of the volcano. The 1027-meter summit stands on the northeast side of the broken crater, known as North Peak, while the 984-meter Pinnacle Peak is located on the southeast crater rim. Post-collapse activity formed an andesitic dome known as White Rock in the collapse coliseum.

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