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This is the most popular of these five towers. The rock is good.
Approach is obvious from the reservoir.
3 Total Routes
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Mountain Project's determination of some of the classic, most popular, highest rated routes for First Sister:
Center Route 5.4 4a 12 IV VD 3c Sport
Left Route 5.5 4b 13 IV+ MS 4a Sport
Twisted Sister 5.9 5c 17 VI HVS 5a Sport, 1 pitch, 120'
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