The Four-thousand footers (sometimes abbreviated 4ks) are a group of 48 summits in New Hampshire's White Mountains that are at least 4,000 feet (1,200 m) above sea level. To qualify for inclusion a peak must also meet the more technical criterion of topographic prominence important in the mountaineering sport of peak-bagging.
The Four-thousand footers (sometimes abbreviated 4ks) are a group of 48 summits in New Hampshire's White Mountains that are at least 4,000 feet (1,200 m) above sea level. To qualify for inclusion a peak must also meet the more technical criterion of topographic prominence important in the mountaineering sport of peak-bagging.
Source: Wikipedia "Four-thousand footers" · CC BY-SA 4.0
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