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Petroleum Base Buttress
Routes Sorted
L to R R to L Alpha
Chossy's Nice Twin T,TR 
Petroleum Based T 
South End TR 
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Petroleum Based 

YDS: 5.5 French: 4b Ewbanks: 13 UIAA: IV+ ZA: 11 British: MS 4a

   
Type:  Trad, 1 pitch, 25'
Consensus:  YDS: 5.5 French: 4b Ewbanks: 13 UIAA: IV+ ZA: 11 British: MS 4a [details]
FA: 
Page Views: 398
Submitted By: rdlennon on Oct 10, 2008

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Christopher Lane hand jams on his way out.

Description 

This climb ascends the crack system in the middle of the face to the right of FK Face. It is one of few Den Rock climbs that can be safely led. Start on jugs in a big horizontal break and follow a depression up to a ledge. Then, layback a right-slanting crack towards the top, breaking left onto an easy slab to gain the anchors.

Location 

Just past the large talus boulder below Building Blocks. A small boulder, or a 'shelf' for your gear is just opposite the climb.

Protection 

Gear to 2". The cracks aren't especially favorable to nuts.


Photos of Petroleum Based Slideshow Add Photo
Alan Jenkins taking a crack.
Alan Jenkins taking a crack.

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