USA/California/San Francisco Bay Area/Mount Diablo State Park/Boy Scout Rocks/Lower Tier

Lower Tier

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14 climbs · Clayton, CA

Climbs (14)

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Sport Trad Boulder TR Mixed Ice Aid Alpine DWS

Grade range

Route grade–

Boulder grade–

Chimney1.7(63)5.7
Trad · FA: unknown · 1 tick
Diablo Jam5.7
Trad/TR · FA: unknown · 1 tick
Amazing Face3.2(303)5.10a
Sport · FA: unknown · 6 ticks
Diagonal Crack2.6(59)5.10c
Trad · FA: unknown · 1 tick
Once was Lost5.10c
Sport · FA: Jim Thornburg · 1 tick
The Arch (a.k.a. Ozone)2.9(76)5.10c
Trad/TR · FA: Claude Fiddler and Patrick Sawyer, ca. 1974 · 3 ticks
Toast5.10c
Sport · FA: Zack Mintz, Kim Pfabe, Jim Thornburg · 1 tick
Ozone Direct2.4(24)5.11a
Trad/TR · X · FA: unknown
Miwok5.11b
Sport · FA: Rances Rodriguez, Francisco Herrera, Jim Thornburg, Perry Doig · 1 tick
Bolt Route3.1(110)5.11b/c
Sport · FA: Whoever you are, I'll buy you a beer · 4 ticks
Black Lives Matter5.11b
Sport/TR · FA: Jim Thornburg (TR) Perry Doig (Lead) · 1 tick
Stegosaurus5.11b
Sport · FA: Rances Rodriguez, Doug Vetter (both lead) · 1 tick
Earthcling2.9(9)5.11b
Sport · FA: Edwin Drummond, 1984
Dinosaur2.7(11)5.12a/b
Sport/TR · R · FA: Claude Fiddler