Pinnacle Mountain (Washington)

Pinnacle Mountain
Pinnacle Mountain, south aspect
Highest point
Elevation	8,400 ft (2,560 m)[1]
Prominence	1,744 ft (532 m)[2]
Parent peak	Emerald Peak (8,419 ft)[1]
Isolation	1.88 mi (3.03 km)[1]
Coordinates	48°07′55″N 120°40′14″W / 48.132071°N 120.67048°W / 48.132071; -120.67048[2]
Geography
Pinnacle Mountain Location in Washington Show map of Washington (state) Pinnacle Mountain Location in the United States Show map of the United States
Country	United States
State	Washington
County	Chelan
Protected area	Glacier Peak Wilderness
Parent range	Chelan Mountains North Cascades Cascade Range
Topo map	USGS Pinnacle Mountain
Geology
Rock type	hornblende quartz diorite, granodiorite
Climbing
First ascent	1948 Dwight Watson, Ken Fleming[3][4]
Easiest route	class 3 scrambling[1] South slopes[3]

Pinnacle Mountain is an 8,400-foot (2,560-metre) granitic multi-peak massif located in the Chelan Mountains, in Chelan County of Washington state.^[5] The mountain is situated in the Glacier Peak Wilderness of the North Cascades, on land managed by Wenatchee National Forest. Pinnacle Mountain ranks as the fourth-highest peak in the Chelan Mountains, and 77th-highest summit in Washington state.^[2] The nearest higher neighbor is Saska Peak, 1.9 mi (3.1 km) to the southeast, and Emerald Peak is positioned 2.25 mi (3.62 km) to the east-southeast.^[2] Precipitation runoff from the peak drains into the Entiat River and Chelan River drainage basins.