In New Hampshire there is a collection of mountain peaks that have a summit higher than 4000 ft these are knowen as the 4000 Footers. The radial aspect of the mountains, the numbers around the edge relating to the peaks. the elevation graph running around the edge. The flags were made hollow so that if desired the hiker could fill in the ones they had completed, two flags are there for a summer and winter summit, which relates to two patches you can earn from the AMC 4000 Footer Club after you summit all of the peaks in summer and winter.
The term Four-Thousand Footers (or “4ks”) refers to a group of forty-eight mountains in New Hampshire at least 4,000 feet (1,219 meters) above sea level. To qualify a peak must also meet a more technical criterion of topographic prominence important in the mountaineering sport of “peak-bagging“.
Most often, the term “four-thousand footers” refers to the White Mountains Four-Thousand-Footers List established (and revised from time to time) by theAppalachian Mountain Club. This list of peaks may be referred to as the “Four-thousand footers of New Hampshire,” or “The Four-thousand Footers of the White Mountains”.