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Select Route:
East Ridge 
Yodeling Moves 

Hammerhead 


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Administrators: Ben Mottinger, Leo Paik, John McNamee, Frances Fierst, Monomaniac, Tom Erickson
Submitted By: Guy H. on Dec 12, 2001

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  Print a Mini-Guide with routes

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Climbing above the arch.

Description 

This rock is also know as Yodeling Moves due to the route found on the rock. The east ridge is 400 feet long and ends to north of the large summit block that extends to the south. This summit block is overhanging on all sides, but does alow passage by the "Yodeling Moves" route (5.0) on its west face. The route also contains Boulder's longest arch, which you climb over on the ridge line. A Flatiron classic!


Getting There 

Follow the Royal Arch trail to the top of the switch backs. As you head down the trail, you will pass a trail head on the left and a base of a Flatiron on the right (~150 feet). 25 feet beyond this point, a faint trail heads to the west for 50 feet to the base of the climb. The "hammerhead" summit should be obvious.


The Classics

Mountain Project's determination of some of the classic, most popular, highest rated routes for Hammerhead:
East Ridge   4th     Trad, 3 pitches, 400 feet   
Yodeling Moves   5.0     Trad, 3 pitches   
Browse More Classics in Hammerhead

Featured Route For Hammerhead
Bob and Greg starting up the arch section of the East Ridge.

East Ridge 4th  CO : Flatirons : ... : Hammerhead
This classic 4th Class scramble starts at the base of Hammerhead and goes up towards the obvious arch. This arch is apparently the longest arch in the Flatirons and has some great exposure once on the arch.Once on the arch continue up the line towards the notch on your left. Once at this notch climb down a bit and off the rock. At this point you have several options, one is call it quits, another is ascend the north face via a short 5.7 pitch,, and the other and probably best option is to go ...[more]   Browse More Classics in CO


Comments on Hammerhead Add Comment
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By CJ Coccia
From: Boulder, CO
Nov 7, 2010

I tried to find the start of east ridge today, but I couldn't seem to find it. My understanding is you take the Royal Arch trail past Sentinel Path and start to move west once you get towards Woods Quarry trail. My problem was I never figured out where Woods Quarry trail was and didn't see the unmarked post that is supposed to be around there. Any suggestions?

By Mic Fairchild
From: Boulder
Jul 22, 2011

From the sign at the top of Sentinel Pass, walk about 300 steps (+/-) down the trail. You should be by a rectangular block of rock on a level section of the trail. About 50 feet above the trail is the feature in question, you're there! As of July 2011, there is a fairly fresh anchor on top of the summit block, although downclimbing the buckets is recommended.

By Mark Roth
From: Boulder
Nov 4, 2012

No reason not to solo this. But if you're too chicken, like me to down-climb Yodeling Moves, the anchor has a fat new piece of cord to rap from as of 10-31-12....