The Diamond is the sheer and prominent east face ofLongs Peak and named for the shape of the cliff. The face has a vertical gain of more than 900 feet (270 m) all above an elevation of 13,000 feet (4,000 m). It is a world-famousAlpine climb.[1]
In 1954, the first proposal made to theNational Park Service to climb the Diamond was met with an official closure, a stance not changed until 1960. The Diamond was first ascended byDave Rearick andBob Kamps, August 1–3, 1960, by a route that would come to be known simply asD1. This route would later be listed in Allen Steck and Steve Roper's influential bookFifty Classic Climbs of North America.[2][3] The easiest route on the face, theCasual Route (5.10-), was first climbed in 1977 and became the most popular route up the wall.
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40°15′14″N105°36′43″W / 40.25398°N 105.61188°W /40.25398; -105.61188
