Red Slate Mountain

Red Slate Mountain
Red Slate Mountain
	Red Slate Mountain from Lake Dorothy
Highest point
Elevation	13,129+ ft (4,002+ m) NAVD 88
Prominence	1,683 ft (513 m)
Parent peak	Ruby Peak
Listing	North America highest peaks 122nd; US highest major peaks 104th; California highest major peaks 16th; Western States Climbers Star peak;
Coordinates	37°30′27″N 118°52′09″W
Geography
	Red Slate Mountain Location in California Red Slate Mountain Red Slate Mountain (the United States)
Location	Fresno / Mono counties, California, U.S.
Parent range	Sierra Nevada
Topo map	USGS Convict Lake
Geology
Rock age	Paleozoic
Mountain type	Metamorphic rock
Climbing
First ascent	1898 by Joseph N. LeConte and Clarence L. Cory
Easiest route	Scramble, class 1 & 2

Red Slate Mountain is a summit in the Sierra Nevada. It lies along the Sierra Crest that divides Fresno County from Mono County, California.

Quick Facts Highest point, Elevation ...

Red Slate Mountain can be reached by scrambling either from McGee Pass, or starting from Bighorn Lake.

The area to the north of Red Slate Mountain is among the most seismically active in California which is associated with the Long Valley Caldera.

Red Slate Mountain was named by the California Geological Survey, in 1873. However, it is not clear whether the survey meant to name this peak, or Red and White Mountain.^[5]

Climate data for Red Slate Mountain 37.5078 N, 118.8700 W, Elevation: 12,300 ft (3,749 m) (1991–2020 normals)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Mean daily maximum °F (°C)	29.8 (−1.2)	28.1 (−2.2)	31.0 (−0.6)	35.2 (1.8)	42.8 (6.0)	52.6 (11.4)	59.8 (15.4)	59.3 (15.2)	53.9 (12.2)	45.3 (7.4)	35.8 (2.1)	29.4 (−1.4)	41.9 (5.5)
Daily mean °F (°C)	20.3 (−6.5)	17.6 (−8.0)	20.0 (−6.7)	23.4 (−4.8)	31.1 (−0.5)	40.3 (4.6)	47.2 (8.4)	46.5 (8.1)	40.9 (4.9)	33.9 (1.1)	25.4 (−3.7)	19.6 (−6.9)	30.5 (−0.8)
Mean daily minimum °F (°C)	10.8 (−11.8)	7.1 (−13.8)	9.0 (−12.8)	11.5 (−11.4)	19.4 (−7.0)	28.0 (−2.2)	34.5 (1.4)	33.8 (1.0)	27.9 (−2.3)	22.6 (−5.2)	15.1 (−9.4)	9.8 (−12.3)	19.1 (−7.2)
Average precipitation inches (mm)	10.97 (279)	9.05 (230)	8.01 (203)	4.91 (125)	2.67 (68)	0.71 (18)	0.44 (11)	0.31 (7.9)	0.45 (11)	2.44 (62)	3.42 (87)	9.62 (244)	53 (1,345.9)
Source: PRISM Climate Group^[7]

Climate