Sentinel Rock

Sentinel Rock
Sentinel Rock
	A photo of Sentinel Rock in Yosemite Valley
Highest point
Elevation	7,038 ft (2,145 m)
Coordinates	37°43′44″N 119°35′40″W / 37.7288151°N 119.594331°W
Geography
	Sentinel Rock Location within California Sentinel Rock Location within the United States
Location	Yosemite National Park; Mariposa County, California, U.S.
Parent range	Sierra Nevada
Topo map	USGS Half Dome
Geology
Rock age	Cretaceous
Rock type	Granite
Climbing
First ascent	June 30 - July 4, 1950; by Allen Steck and John Salathé
Easiest route	Circular Staircase (class 5.8)

Sentinel Rock is a granitic peak in Yosemite National Park, California, United States. It towers over Yosemite Valley, opposite Yosemite Falls. Sentinel Rock lies 0.7 miles (1.1 km) northwest of Sentinel Dome.

Geology

Sentinel Rock formed when masses of rock split off Yosemite Valley's south-side cliff, along steep joints trending nearly east–west. This formed the near-vertical north face of Sentinel Rock.

Climbing

The most famous climbing route is the Steck-Salathé route, which is rated a class 5.10b G A0.

Climber Derek Hersey died while attempting to free solo climb Sentinel Rock in 1993.

Gallery

Northwest aspect
Sentinel Rock (right) in Yosemite Valley. (camera pointed east)

References

↑ "Natural Resource Statistics". Yosemite National Park. National Park Service. Retrieved January 28, 2009.
↑ "Sentinel Rock". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved January 28, 2009.
1 2 "Steck-Salathe". rockclimbing.com. Retrieved January 20, 2014.
↑ "Circular Staircase, Sentinel Rock 5.8". SuperTopo.com. Retrieved March 27, 2016.
↑ "Rock Formations in Yosemite". Yosemite National Park. National Park Service. Retrieved August 14, 2007.
↑ "Bedrock Geology of the Yosemite Valley Area Yosemite National Park, California". Geology and National Parks. USGS. Archived from the original on March 21, 2017. Retrieved March 20, 2017.
↑ Roberts, Paul (November 1, 1994). "Risk". Psychology Today. Retrieved July 27, 2011.

External links

Media related to Sentinel Rock at Wikimedia Commons

This Mariposa County, California–related article is a stub. You can help Wikipedia by adding missing information.

[1] "Natural Resource Statistics". Yosemite National Park. National Park Service. Retrieved January 28, 2009.

[gnis-2] "Sentinel Rock". Geographic Names Information System. United States Geological Survey, United States Department of the Interior. Retrieved January 28, 2009.

[rockclimbing-3] 1 2 "Steck-Salathe". rockclimbing.com. Retrieved January 20, 2014.

[4] "Circular Staircase, Sentinel Rock 5.8". SuperTopo.com. Retrieved March 27, 2016.

[5] "Rock Formations in Yosemite". Yosemite National Park. National Park Service. Retrieved August 14, 2007.

[wr.usgs.gov-6] "Bedrock Geology of the Yosemite Valley Area Yosemite National Park, California". Geology and National Parks. USGS. Archived from the original on March 21, 2017. Retrieved March 20, 2017.

[Psychology_Today-7] Roberts, Paul (November 1, 1994). "Risk". Psychology Today. Retrieved July 27, 2011.