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The Slab
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Routes Sorted
L to R R to L Alpha
$00pr kr33m 
Boys with Power Toys 
Bulges 
Diagonal 
Family Man 
Film Noir 
Hippopotamus 
Junior Niblits 
Just Another Boy's Climb 
k00kEEz and krEEm 
Keyhole, The 
Left 'N Up 
m1n1-kr33m 
Nasty Boys 
Northeast Arete 
Pen 15 
Prime the Pump 
Return of Dow, The 
s00kr33m 
Shalohsh 
Sick For Sleeping 
Sweet NiBLitz 
Syzygy 
Trad kr33m 
Undertow 
Whipping Post 
Unsorted Routes:

The Slab 


Photos: Recent | Best | Popular
Elevation: 7,000'
Lat, Long: 39.9629, -105.287 Map
Page Views: 28,459. Good page? (1 like)   
Administrators: Ben Mottinger, Leo Paik, John McNamee, Frances Fierst, Monomaniac, Tom Erickson
Submitted By: Anonymous Coward on Nov 30, 1999

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BETA PHOTO: Summit ridge - note the dead 'descent tree' in cen...

Description 

The slab is the widest (broadest) chunk of stone in the Flatirons with endless possibilites for 5.3-5.6 slabmongering on its expansive, 500-foot-tall east face. It sits in a pleasant location at the mouth of Fern Canyon and offers great views to the east and south from its summit ridge.

In addition, the north and west faces are host to a handful of great sport routes in the 5.11+ to 5.12 range on steep, bomber stone. Bouldering possibilities can be found in the trees below and to the south and west of the slab.

To descend the east face routes, scramble south along the crest of The Slab until it's possible to either downclimb or execute a short rappel from a prominent notch near the terminus of the crest.


Getting There 

The most direct approach to the slab is via the North Shanahan Ridge Trail. Drive west on Table Mesa from Broadway and turn left (south) on Lehigh. Drive most of the way up the hill and turn right on Cragmoor, which dead ends after two blocks.

Park in the dead end and follow a trail west and uphill to the mesa above you. From here, continue west 20-30 minutes along the very wide North Shanahan Ridge Trail, passing a junction with the Mesa Trail en route. The Slab rears up ahead of you the further west you go; if you descend north into a gully you've just passed it!

For the east face routes cut left (south) off the main trail onto a climber's path through the ferns. To access the north and west sides, continue along the Shanahan Ridge Trail another 2 minutes (thru the gully) until you hit the Fern Canyon Trail. Follow this up and steeply west for 3-4 minutes until it makes sense to head south (left) across a talus-filled bench to reach the routes.


The Classics

Mountain Project's determination of some of the classic, most popular, highest rated routes for The Slab:
Diagonal   5.2 R     Trad   
Left 'N Up   5.2 R     Trad   
Bulges   5.2 R     Trad, 500 feet   
Syzygy   5.2 R     Trad   
Sick For Sleeping   5.11+     Sport, 1 pitch, 80 feet   
Whipping Post   5.11d     Sport, 1 pitch, 90 feet   
Just Another Boy's Climb   5.11d     Trad, Sport, 2 pitches, 100 feet   
Shalohsh   5.12a     Sport, 1 pitch, 75 feet   
Family Man   5.12a     Sport, 1 pitch, 90 feet   
Undertow   5.12b     Sport, 1 pitch, 80 feet   
Boys with Power Toys   5.12b     Sport, 1 pitch   
Nasty Boys   5.12     Sport, 1 pitch, 100 feet   
k00kEEz and krEEm   5.12+     Sport, 1 pitch, 85 feet   
Film Noir   5.12c/d     Sport, 1 pitch, 95 feet   
$00pr kr33m   5.13-     Sport, 1 pitch, 115 feet   
s00kr33m   5.13b     Sport, 1 pitch, 75 feet   
Pen 15   5.13b     Sport, 2 pitches, 100 feet   
Browse More Classics in The Slab

Featured Route For The Slab
Pen 15 is steep....

Pen 15 5.13b  CO : Flatirons : ... : The Slab
This is a two-pitch climb about 50 feet right of Whipping Post, on the broad west face of the Slab.P1: 12a.P2: 13b.The two pitches linked aren't any more than 30 meters, but the rope drag would be bad if you tried to link them, and the crux of the climb comes right off the first belay -- a belayer on the ground wouldn't be able to keep the close eye on you that he needs to. You'd jack your ankles on the ledge and have to slug-crawl down North Shanahan Ridge Trail while soccer moms a...[more]   Browse More Classics in CO


Photos of The Slab Slideshow Add Photo
North arete of The Slab

BETA PHOTO: North arete of The Slab

The Slab is the obvious, large rock in this photo.

BETA PHOTO: The Slab is the obvious, large rock in this photo.

The Slab-ness.

The Slab-ness.

The west face of the Slab is steep. Note early smoke from the Four-Mile Canyon fire, 9/6/10.

The west face of the Slab is steep. Note early smo...

Composite panorama of the Four Mile Canyon fire, 9/6/10, from the summit ridge of the Slab; just as the smoke was first becoming noticeable that morning.

Composite panorama of the Four Mile Canyon fire, 9...

Winter conditions on The Slab.

Winter conditions on The Slab.


Comments on The Slab Add Comment
Show which comments
By adam brink
From: Boulder, CO
Jul 19, 2008

Is the new route to the right of Boys with Power Toys done yet? Any idea on difficulty and quality? It looks to be one of the best sweeps of stone up there and spanker hard. Thanks for the work!

By Pinklebear
Oct 15, 2009

The new climb (approved by the FHRC in the June cycle) right of Undertow is in now. Five bolts to double-bolt anchors (5.10+) - this is Paul Glover's climb, though he asked us to install it for him while he's in Nepal. Once he's back, I'm sure he'll add it to the database. Enjoy!

By Pinklebear
Mar 29, 2010

March 2010 new-route application through the Flatirons Climbing Council's Fixed Hardware Review Committee: flatironsclimbingcouncil.wordpress.com/category/route-applic>>>

Please click on the above link to submit comments on the proposed climb; and to have a vote in the process, come to the FHRC public meeting on April 28, 2010, at 6:30 p.m. at Movement Climbing + Fitness, Boulder, CO.

By Pinklebear
May 12, 2010

June 2010 new-route application through the Flatirons Climbing Council's Fixed Hardware Review Committee: flatironsclimbingcouncil.wordpress.com/category/route-applic>>>

Please click on the above link to submit comments on the proposed climb. The deadline closes June 15; this is the only route submitted this cycle. There will be a public meeting held June 23, Wednesday, at 7:30 p.m. at The Spot gym, Boulder.

By Pinklebear
Jun 24, 2011

Two Flatirons Climbing Council Fixed Hardware Review Committee (FHRC) applications concerning the Slab have been submitted for the June cycle.

•The first, an application to update the fixed piton on Trad Kr33m can be found here: flatironsclimbingcouncil.wordpress.com/category/route-applic>>>
Please visit the link for more info and to add any comments.

•The second is for a new 5.11, Sick for Sleeping, right of the existing climb Hippopotamus, on the Undertow ledge. More info here as well: flatironsclimbingcouncil.wordpress.com/category/route-applic>>>

The FHRC will hold its public meeting Wednesday, July 6, at 7 p.m. at The Spot gym, Boulder, Colorado, to discuss and vote on these applications and one other for the June 2011 cycle. Anyone interested is invited to come participate, comment, and cast a public vote in person.

By Pinklebear
Nov 7, 2011

Five applications have been submitted to the Fixed Hardware Review Committee (FHRC) of the Flatirons Climbing Council (FCC) for the September 2011 voting cycle:

•Two applications for new climbs, a 5.11 on the Slab and a 5.10 on Dinosaur Rock
•Two applications to add new, lower first bolts to the existing climbs Touch Monkey, a 5.11b on Der Zerkle, Dinosaur Mountain and to Short Attention Span, a 5.11d on Overhang Rock, Bear Canyon.
•One application to add an anchor to the existing climb Big Bob Cranks on Dinosaur Rock.

To view and comment on these four applications, please visit flatironsclimbingcouncil.wordpress.com/category/route-applic>>>

The vote and public meeting for this cycle will be held Tuesday, December 6 at 6:30 p.m. at The Spot gym, Boulder, Colorado. Anyone interested in voting on and discussing these applications is encouraged to attend!

By Pinklebear
Jan 2, 2012

One of the four applications submitted for the January 2012 cycle of the Flatirons Climbing Council's Fixed Hardware Review Committee is on this formation, the Slab. (The new deadline applications are January 1, April 1, and August 1). It is for a 30-meter 5.12+ called "Pogo Lord."

To see the applications and leave comments, please visit: flatironsclimbingcouncil.wordpress.com/category/route-applic>>>

It's probably best to leave comments on each individual route by sending them to us via email for now: fhrc@flatironsclimbing.org.

The public meeting and vote on these applications will be held Thursday, February 2 at 6:30 p.m. at The Spot gym, Boulder, Colorado. Anyone interested is welcome and encouraged to attend!