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The Welsh 3000s are the 15 Welsh Munros. These are mountains in Wales that are over 3,000 feet (914.4 m). Geographically they fall within three ranges (the Snowdon Massif, the Glyderau, and the Carneddau), but close enough to make it possible to reach all 15 summits within 24 hours, a challenge known as the Welsh 3000s challenge.