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Mental Affair

This route is located in the Muir Valley at Tectonic Wall and Johnny's Wall

Grey Matter

0 votes

Brain Stem 5.7 (Mixed) *

First Ascent: J.J., Jane Maurer, Mark Ryan, Jenny Wagner in 2006
Length: 50ft
Bolts/Gear: 1/Small/medium gear (report bad bolts/anchors)

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Hike ~100' right of Johnny's Wall until you reach a short striking dihedral. Shoot up the dihedral then wander out the roof to a bolt on the slabby face above.
Moves: Slab
Descent: Cable anchor
Stays Dry:
Owner: Muir Valley

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Route Spray
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Quality Consensus

2 stars (11 votes)
Grade Consensus
5.8 (9 votes)

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Submitted by: rjackson
Date: Jun 21st, 2009

Submitted by: rjackson
Date: Jun 21st, 2009


MartyV said on November 11th, 2006
At present (nov 06) too much moss, dirt, and mud to deserve 3 stars.
usmcmars said on June 9th, 2007
I followed it and I hated it. Moss, dirt, pieces breaking at the top. The ledge was awkward. Not a fun trad climb. We decided we'd call it "3 stars my arse".
rjackson said on May 18th, 2009
A tough start leads to a heady roof. No problem with pro, moss or dirt. Worthy of points.
pigsteak said on September 3rd, 2012
how do the cool kids say it nowadays..."meh"?
ted said on August 6th, 2014
not 5.7...not worth it
Smiles said on September 10th, 2019
Quite a hard start for the grade... it gets easier the higher you go. The OK protection also improves with height. Given the difficulty of the first 10 feet I expected the roof to be harder but was disappointed.