Petit Grepon
Climbers atop Petit Grepon, as seen from The Sharkstooth
Highest point
Elevation	12,305 ft (3,751 m)[1][2]
Prominence	300 ft (91 m)[2]
Isolation	0.04 mi (0.064 km)[2]
Coordinates	40°16′52″N 105°40′26″W / 40.281°N 105.67378°W / 40.281; -105.67378[2]
Geography
Petit Grepon Colorado
Location	Rocky Mountain National Park, Larimer County, Colorado, U.S.[2]
Parent range	Front Range[2]
Topo map	USGS 7.5' topographic map McHenrys Peak, Colorado[2]
Climbing
First ascent	Bill Buckingham & Art Davidson, 1961.

Petit Grepon is a semi-detached spire in Colorado's Rocky Mountain National Park. It is one of the "Cathedral Spires" which also includes: Sharkstooth, The Saber, and The Foil. The South Face route of Petit Grepon is described in the historic climbing text Fifty Classic Climbs of North America^[3] and considered a classic around the world.^[4]

Climate

According to the Köppen climate classification system, the spire is located in an alpine subarctic climate zone with cold, snowy winters, and cool to warm summers.^[5] Due to its altitude, it receives precipitation all year, as snow in winter, and as thunderstorms in summer, with a dry period in late spring.