November 29, 2008
Pinatubo, about 90 kilometres north of Manila, exploded in June 1991 after a 500-year slumber, dumping billions of tonnes of volcanic debris on three provinces, erasing entire farm communities and altering the world's climate. Pinatubo's eruptions were so massive that its top was simply blown away, reducing its height by 300 metres. Rainwater formed a crater lake. During the rainy season, roughly from June to about October, climbing is forbidden as the volcanic debris on its slopes and in river channels become deadly avalanches. Since Pinatubo is classed as one of the country's 22 active volcanoes, Benneth says Dreamtreks checks with the Philippine Institute of Volcanology and Seismology, which has a permanent monitoring station there, before every climb.
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