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Routes in The Catslab

Crystal Cat S 5.9+ 5c 17 VI 17 E1 5a
Grizabella S 5.6 4c 14 V 12 S 4b
Gumby Cat S 5.4 4a 12 IV 10 VD 3c
Gus S 5.10b 6a+ 19 VII- 19 E2 5b
Jellicle Cats S 5.10a/b 6a+ 19 VI+ 19 E2 5b
Lesser of Two Evils S 5.5 4b 13 IV+ 11 MS 4a
MacCavity S 5.9+ 5c 17 VI 17 E1 5a
Mr. Mistoffeles S 5.9 5c 17 VI 17 HVS 5a
Mungajerry S 5.10a 6a 18 VI+ 18 E1 5a
Nasty Kat S 5.9+ 5c 17 VI 17 E1 5a
Old Deuteronomy S 5.10a 6a 18 VI+ 18 E1 5a
Overflow Direct S 5.10a 6a 18 VI+ 18 E1 5a
Pussy, The S 5.11d 7a 24 VIII 25 E5 6a
Rum Tum Tugger S 5.11 6c+ 23 VIII- 23 E4 5c
Rumple Teaser S 5.10b 6a+ 19 VII- 19 E2 5b
Skimbleshanks S 5.8- 5b 16 VI- 14 VS 4c
Summer Fling S 5.10a 6a 18 VI+ 18 E1 5a
Thinning the Herd S 5.9 5c 17 VI 17 HVS 5a
Unknown T 5.6 4c 14 V 12 S 4b
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Type: Sport, 125 ft
FA: unknown
Page Views: 4,466 total · 21/month
Shared By: Jeff Lockyer on Aug 6, 2001
Admins: Leo Paik, John McNamee, Frances Fierst, Monty, Monomaniac

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Access Issue: Seasonal Raptor Closures & Rockfall Mitigation Project Details
Access Issue: Open according to a Jeff CO ranger Details


MacCavity is located on the far right side of the Catslab, 2nd route from the right side of the bottom section of the slab. This is an enjoyable long pitch (120 feet) with great climbing throughout. The line goes through the right side of a little roof. (Left side of roof is Gumby Cat.) Climb past 8 more bolts with perhaps a move of 9+/10 climbing. A splendid line, which will be enjoyed by all.


13 bolts - 2 bolt anchor. Approximately 125 feet from lower off. 2 ropes mandatory.


This route can be led and seconded with a single rope by taking advantage of the 3rd class gully, just climbers right of the route. --Fun moves on the unusual, thin quartz veneer, high on the route. Mar 18, 2002
This is a good line and a perfect first 5.10 lead! The moves thru the right side of the small roof are easier than they appear from the ground. With a 60 meter rope it's no problem to rap to the big ledge twenty feet off the ground and scramble down the easy terrain. Jun 26, 2002
Be mindful of loose rock hiding on this route. Mar 16, 2003
Dale D
Parker, CO
Dale D   Parker, CO
In my opinion, the moves heading right around the "roof" is not the crux, but instead the slab up higher. Not as difficult as Jellicle Cats. I did not note any loose rock. Mar 29, 2010
Dave Clark 5.10
Golden, CO
Dave Clark 5.10   Golden, CO
I really liked this route. Consistent nice movement all the way up, with a little variety getting around the bulge roof (maybe the crux, but not much harder than other parts). Felt like a pleasant 5.9 to me, and a really secure lead as long as you don't mind the runout to the first bolt. Aug 25, 2010
This route rocks. You do not need two ropes if you have a 70 m rope, though. The crux was not the roof for me, it was the last 25 ft on the mega slab. May 30, 2011
+1 that 2 ropes are not necessary as AC said. The obvious gully to the climber's right is an easy downclimb. Jul 8, 2011
Ken McVicker
Aurora, CO
Ken McVicker   Aurora, CO
Good route, used a 70m rope and had about 10-15 feet left on the ground. The last 25 feet is tough going. Mar 15, 2012
Bear Creek, CO
percious   Bear Creek, CO
The anchor bolts on this route are suspect and in need of replacement. They are wiggling in their bolt holes. Be careful lowering. I'd be happy to assist in the replacement. Jul 7, 2012
Derek Lawrence
Derek Lawrence   Bailey
Anchor replaced this evening. Due to funky rock in the original location, the new anchors are about 2 ft. lower. Big thanks to ASCA for the hardware! Aug 3, 2012
Golden, CO
ErikaNW   Golden, CO
Thank you for the anchor replacement! Nov 17, 2012
Cara Hubbell
Arvada, CO
Cara Hubbell   Arvada, CO
My 70m had the knots lying on the ground for the rap. I'd say it can be done with one rope! Oct 10, 2015
David Adams
Highlands Ranch, CO
David Adams   Highlands Ranch, CO
Totally agree that the crux is above the roof, and a 70m rope is perfect for this route. On Sunday July 29, 2018, I found one of the hangers above the roof is spinning on its bolt - be careful up there. Jul 30, 2018
C Martin  
The 2nd bolt from the top spins all over the place. Sep 27, 2018 · Temporary Report

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