Sitting off by itself is this small block with a handful of problems on coarse rock, the best of the bunch being Calloused and Committed (V2).
Hike east about 500 meters past the Varnished Wall Boulders to a solitary formation/rubble pile; the boulder is on the north end of the formation at ground level.
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Mountain Project's determination of some of the classic, most popular, highest rated routes for Callous Boulder:
Calloused and Committed V2 Boulder, 10 feet
Featured Route For Callous Boulder