The Diamond (Longs Peak)
The Diamond is the sheer and prominent east face of Longs Peak and named for the shape of the cliff. The face has a vertical gain of more than all above an elevation of . It is a world-famous Alpine climb. Climbing. In 1954, the first proposal made to the National Park Service to climb the Diamond was met with an official closure, a stance not changed until 1960. The Diamond was first ascended by Dave Rearick and Bob Kamps, August 1–3, 1960, by a route that would come to be known simply as D1. This  route would later be listed in Allen Steck and Steve Roper's influential book "Fifty Classic Climbs of North America". The easiest route on the face, the Casual Route (5.10-), was first climbed in 1977 and became the most popular route up the wall.