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West Ridge - part C - Pony Express to Long John
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Practice Climb 101 
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Seemingly Innocent 
Side Wall, The 
Sister Morphine 
Sooberb Lite 
Thin Ice 
Think Quickly 
Unbroken Chain 
variation to Mail Ridge 
Warp Drive Overload 
Who's Holding 
Wind Tunnel 
Zeros and Ones 

Zeros and Ones 

YDS: 5.11+ French: 7a Ewbanks: 24 UIAA: VIII British: E4 6a PG13

Type:  Trad, 1 pitch, 100'
Consensus:  YDS: 5.11+ French: 7a Ewbanks: 24 UIAA: VIII British: E4 6a [details]
FA: Steve Levin & Chris Weidner, March 2008
New Route: Yes
Page Views: 700
Submitted By: Steve Levin on Apr 6, 2008
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Rob about halfway up the roof on "Zeros and Ones".
Climbing reopened after flood MORE INFO >>>


This is the 4th pitch of Practice Climb 101 done free. The 3rd and 4th pitches of this climb have not been described in guidebooks since Pat Ament's 1980 Eldorado guide.

Make big moves on positive holds out the huge mudstone roof. Difficult crux at the lip of the roof. Once over the lip follow a moderate crack to the summit of Sooberb tower.

The rock is generally good, and the protection is adequate.


The roof 20 feet left of the crux roof of Sooberb.


Wires, small cams to 3".

Photos of Zeros and Ones Slideshow Add Photo
Rob about to enter the crux.
Rob about to enter the crux.
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By Chris Archer
Jun 6, 2008

Sounds interesting, but I'm a bit confused...Is this the 4th pitch of a previous aid climb or a new route?

By Steve Levin
From: Boulder, CO
Jun 6, 2008

It's the original fourth pitch of Practice Climb 101, which tackles the huge roof left of the Sooberb crux roof. Erickson left it out of Rocky Heights, since as you know he only included free climbs. The omission was perpetuated in subsequent guidebooks.

From: "ELDORADO: A Climber's Route Guide" by Pat Ament (1975) pages 105-106:
Practice Climb Number 101. II, 5.7, A3.
First ascent in 1966 by Larry and Roger Dalke.
Find the start to the Side Wall. Immediately to the left (north) is a steep, narrow face (or buttress). Free climb to an inside corner and nail 70 feet up to a ledge. Belay. Nail the overhang above (on the left) and free climb to a ledge. Belay. Now go up a slab to a big ledge [and belay]. Nail an obvious overhang (just left of Sooberb) and free climb to the top.

Perhaps it's a bit presumptuous to re-name the pitch. However, it's a great pitch of free climbing on all natural gear-- it will no doubt get climbed independent of the rest of the route more often than not. And when pitch two was free climbed, John Allen proposed calling that pitch "Practice For What?".

By Rob Kepley
From: Westminster,CO
Feb 4, 2009
rating: 5.11+ 7a 24 VIII E4 6a PG13

Really interesting pitch. Climbs much better than you'd think. It could use a lot of cleaning up and will probably improve as it sees more traffic.