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Routes Sorted
L to R R to L Alpha
Amputee Love 
C'est What? 
Clementine 
Dihedral One 
Dihedral Two 
East Slabs 
Finger Crack 
Free Speech 
Gumbo 
Gut Feeling 
Horangutan 
Jack The Ripper 
Kid's Climb 
Left Arete 
M 
Martindale 
Monument, The 
NED (Nothing Except Dynamics) 
New Cambria 
No Problem 
Northeast Arete 
Second Coming 
Spoof 
Spoof Roof 
West Crack 
West Dihedral 
West Face [Whale's Tail] 
Yorkshire Ripper, The 

Dihedral One 

5.11b V2 R

   
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Type: Trad, Boulder, 1 pitch, 25 feet
Consensus: 5.11b V2 [details]
FA: Kevin Donald, summer 1970
Season: Faces South, slick in the sun
Submitted By: Tony B on Jun 5, 2001

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Description 

On the South Side of the Wind Tower there are 2 vertical dihedrals along the trail between the foot bridge and the cave. Both are open and somewhat irregular. Both are polished and smooth.

The first of these passed on the Streamside Trail (rightmost) is Dihedral One. This route is thin, hard, slick, and somehow- it is fun. This route has fun and interesting moves, but is not very aesthetic. At 5.10d, it is quite the sandbag, I grade it moderate 5.11... a slick, thin, tricky, 5.11 on questionable protection. I fell a few times on the route prior to success. My partner, after watching me do the route fell several times as well. We both normally on-sight 5.11. Mike Brooks was walking below so I asked him what he thought of the grade, as I believe he'd done it... 5.11? He concurred.

Go up the dihedral placing a single small TCU and a few moderate to poor stoppers before balancing your way through the crux. Pull over to the slab and find a place to set some larger gear for a belay.

Descend by finishing up on the slabs, or by traversing off and left to the back side slabe of the tail.


Protection 

The Rossiter Book calls this route 5.10d and does not call it S. I beg to differ.

The gear can be made to be acceptable, but not good. The crux is close to the ground and a string of poor brassies and small nuts in a smooth and somewhat flaring spot is crux pro. The gear can hold fall, if you place it well. If you are not solid at this grade, get a crash pad and spotter.

The crux can be bouldered with a pad and spotter, but good luck reversing the move- take several pads.

Ball-nuts could help.



Comments on Dihedral One Add Comment
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By Steve Levin
From: Boulder, CO
Jul 9, 2006

The FA of this route is unknown; it's been listed in guidebooks since at least the early 1970s.

By J Baldwin
May 1, 2010

To the best of my recollection, Kevin "Turok" Donald used to solo this route in his flip-flops. He called this route, "Green Hornet Dihedral". First Ascent: Kevin Donald or Duncan Ferguson or Dave Breashears. Rating 5.11.

By kevin donald
Dec 20, 2010

The "Green Hornet Dihedral" as well as the over-hanging wall to the left, "Inverted Staircase" and the right face of the Green Hornet Dihedral (begins with an under-cling) and "Turok's Mantle" were all put-up in the early summer of 1970. They were my early feeble attempts at "high-ball bouldering" I showed them to Dunc when he moved back from Hawaii. Cheers! Kevin