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The Bihedral (Upper Tier)
Routes Sorted
L to R R to L Alpha
A Fly in the Ointment 
Acid Crack 
Acid Rock 
Bihedral Arete 
Blood Diamond 
Case of the Fags 
Crack Variation 
Dan's Line 
Diamonds and Rust 
Dihedral Variation 
Edge of Reality 
Fat Tuesday 
Flags of Our Fathers 
Flesh Eating Flies 
Group Therapy 
High Hard One 
Hold The Line 
It's Time For Change 
Just Putin Around 
Left-Handed Tool 
Loose Blocks [in the Black Band] 
Night Moves 
Oh Boy 
Puff Daddy 
Rhodian Shores 
Rhodian, Naturally 
Sands of Iwo Jima 
Sun Spot 
Thumb Tack 
Tool King 
Trick or Treat 
Where's Ray? 


YDS: 5.9 French: 5c Ewbanks: 17 UIAA: VI British: HVS 5a PG13

Type:  Trad, 2 pitches, 200'
Consensus:  YDS: 5.9 French: 5c Ewbanks: 17 UIAA: VI British: HVS 5a [details]
FA: B. Hanson, A. Bradley, D. Hare, 1979
Page Views: 1,032
Submitted By: Leo Paik on May 19, 2003
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BETA PHOTO: Approach to routes on the upper tier of the Bihedr...
Flood damaged road reopens MORE INFO >>>


This is a moderately interesting alternative to the Bihedral.

Scramble up to the same ledge where Bihedral starts.

Find a right-facing dihedral system about 100 feet left of the obvious, left-facing dihedral of Bihedral and just right of Edge of Reality.

P1. Angle up & right along this dihedral system. It can be moist with recent rains. Pass a small roof on its right and find a ledge. Belay.

P2. Angle up and right along a small, right-facing dihedral to face climbing to below a crack. Fire up a crack in black-lichen covered rock with slightly tricky jams and top out just left of the finish of Bihedral.


Standard rack to a #4 Friend.

Photos of Heterohedral Slideshow Add Photo
Near the bottom of the climb.
Near the bottom of the climb.
On the upper crack.
On the upper crack.
Comments on Heterohedral Add Comment
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By Tony B
From: Around Boulder, CO
Jun 20, 2005
rating: 5.9- 5c 17 VI HVS 4c

Not a bad route, but a little lichen at the botton and a little choss at the top. As well, it stays wet after a rain for quite some time, as the crack/overlap leaks water.

Can be done in 1 long pitch with a 70m and probably with a 60m at well. I'd take an extra #3 Camalot (3.5" piece) to avoid much swing potential or walking gear too much, and a lot of longer slings and do it in just 1 pitch.

By goingUp
Aug 30, 2013
rating: 5.9- 5c 17 VI HVS 4c PG13

The first pitch is really fun but not very challenging. The second pitch had a bunch of lichen on it, was a bit more difficult, but was half the fun.