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California
No agency boundary, access route or field report is mapped to it — so there is no verdict, and we won't guess. We'll tell you the moment this climb has something to say.
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At a glance
Expansion Chamber
AI-suggested draft · review before you go
One of the hardest problems catalogued at B1 Boulder, sitting near the top of a V0–V8 range across 15 climbs at the crag.