A mountainous sub-region within the Central Washington Cascades, bounded by Nason Creek (US-2), Skinney Creek (US-2), Wenatchee River, Icicle Creek, Frosty Creek, Frosty Pass, Wildhorse Creek, and Whitepine Creek. Notable landforms include Big Chiwaukum Peak, Snowgrass Mountain, Ladies Peak, Grindstone Mountain, Big Jim Mountain, Big Lou Mountain, and Icicle Ridge.
Grindstone Mtn via Chatter Creek Pass—Northeast Ridge—Northwest Slope (Chiwaukum Mountains, WA)
Trip Date: August 27, 1978 Grindstone Mountain Day Climb Chatter Creek PassGrindstone Mountain (7533 ft) Trip Report
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