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Location: Avalanche Mountain (unofficial name)

AKA: Rock-Thunder
Elevation: 5,360+ feet
Clean Prominence: 480 feet
Next Higher Peak: Snoqualmie Mountain
State: Washington State
County: King County
In areas: Middle Fork Snoqualmie Drainage, Alpine Lakes Wilderness
USGS quad: Snoqualmie Pass
UTM: 10T 618373E 5258317N (NAD27)

Trip Reports and References

Name origin

"'Avalanche Mountain' seemed a good name since (1) avalanches make 'snow thunder' or 'rock thunder' and (2) the Source Lake basin, just south, is famous for this treacherous phenomenon -- of both the snow and rock varieties." - John Roper in the March 1995 issue of Pack & Paddle.

The Seattle Mountaineers call this peak "Rock Thunder". This name was given by Dave Beedon, a former Seattle Mountaineers scramble leader.

Maps

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The east side of Avalanche Mountain from point 5,360. (trip report)
Image of The east side of Avalanche Mountain from point 5,360.

Avalanche Mountain, just visible from Snow Lake trail (trip report)
Image of Avalanche Mountain, just visible from Snow Lake trail

Middle Fork peaks, Avalanche Mountain, and Snoqualmie Mountain over Snow Lake (trip report)
Image of Middle Fork peaks, Avalanche Mountain, and Snoqualmie Mountain over Snow Lake

Avalanche Mountain with the upper Middle Fork Snoqualmie peaks in background (trip report)
Image of Avalanche Mountain with the upper Middle Fork Snoqualmie peaks in background

Avalanche Mountain from NE of Chair Peak Lake (trip report)
Image of Avalanche Mountain from NE of Chair Peak Lake

Avalanche Mountain and Snoqualmie Mountain over Snow Lake (trip report)
Image of Avalanche Mountain and Snoqualmie Mountain over Snow Lake

Avalanche Mountain and Snoqualmie Mountain (trip report)
Image of Avalanche Mountain and Snoqualmie Mountain


Copyright © 2004 Gabriel Deal.