In 1989, a group of eight amateur mountaineers, the "Social Climbers", held what was recognised by the Guinness Book of Records (1990 edition) to be "the world's highest dinner party" on top of the mountain, as documented by Chris Darwin and John Amy in their book The Social Climbers, and raised £10,000 for charity.
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The highest southern summit of Huascarán (Huascarán Sur) is the highest point in Peru, northern part of Andes (north of lake Ticicaca) and in all of the Earth's Tropics.