REI Community
Spectrum Wall

Routes Sorted
L to R R to L Alpha
Battle of the Bulge S 
Broken Blade, The S 
Central Limit S 
Chiquito pero Picon S 
Corner Exit S 
Infrared Heart S 
Over and Back S 
Phosphorescent S 
Route 66 S 
Sampler, The S 
Thief, The S 

Spectrum Wall Rock Climbing 

Photos:  Recent | Best | Popular
Elevation: 7,500'
Location: 32.41701, -110.74986 View Map  Incorrect?
Page Views: 3,793
Administrators: Greg Opland, Luke Bertelsen, JJ Schlick, Kristine Hoffman (sitewide)
Submitted By: Joe Kreidel on Apr 8, 2014

73° | 56°

74° | 58°

72° | 55°

66° | 50°

63° | 47°

63° | 47°
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Josie and Willow enjoying the day at Spectrum Wall


Spectrum Wall is a small formation of high quality rock overlooking Upper Sabino Canyon, directly across the canyon from The Steep. While there are not a ton of climbs, they span across the range of difficulty from 10a to 13d, with something for everyone in between.

Climbs are all west facing. AM shade, PM sun.

Getting There 

Park at Box Camp trailhead, and begin hiking. Follow Box Camp Trail for a few minutes, until you see the large cairn for the Ireland trail. Turn right, and follow the Ireland trail. Pass through the baby pines, and down a small hill.

At the bottom of the hill, the Ireland trail veers right. You will climb over a large downed tree, and pass between two knee high boulders. Walk another 20 feet, and look left for a small trail heading south along the ridge line (while the Ireland trail continues westerly towards the canyon). This is the trail that leads to Spectrum - turn left, and follow this trail.

Follow the cairned ridge line through a sea of fire-damaged trees, and down into a steep gully. Cairns lead you down the gully until the trail crosses the gully at a small pool of water.

Continue across gully, following the obvious trail leading down the steep hillside, until you arrive at the top of the crag. Contour around the right side of the crag, dropping down the gully. Scramble down a boulder, avoiding the big hole, and the gully will deposit you at the left end of the crag.

30-35 minutes down, 35-45 minutes out. Save some juice for the steep hike out.

Climbing Season

For the 7 - Upper Highway area.

Weather station 1.8 miles from here

11 Total Climbing Routes

['4 Stars',1],['3 Stars',4],['2 Stars',5],['1 Star',1],['Bomb',0]

Classic Climbing Routes in Spectrum Wall

Mountain Project's determination of the classic, most popular, highest rated climbing routes for Spectrum Wall:
Corner Exit   5.10a 6a 18 VI+ 18 E1 5a     Sport, 1 pitch, 70'   
Phosphorescent   5.10c 6b 20 VII 20 E2 5b     Sport, 40'   
Chiquito pero Picon   5.12a 7a+ 25 VIII+ 25 E5 6a     Sport, 1 pitch, 25'   
The Sampler   5.12d 7c 28 IX 28 E6 6b     Sport, 1 pitch, 60'   
Browse More Rock Climbing Classics in Spectrum Wall

Featured Route For Spectrum Wall
Rock Climbing Photo: Stellar shot by Blake Mccord Photography. Exiting ...

The Broken Blade 5.13d 8b 31 X 32 E8 7a  Arizona : Mount Lemmon (Santa Catalin... : ... : Spectrum Wall
Joe S and K clued me in to this stunning line with the caveat that it may not go at all. Sure enough it was one of the blankest walls I had seen on Lemmon, with many of the holds not apparent even now with chalk on them. However, unlikely holds appeared, sequences emerged, and The Broken Blade was born. The route begins in the middle of the face to the right of Infrared Heart. At the first bolt launch into a progressively difficult boulder problem requiring extreme tension and fingers of rebar. ...[more]   Browse More Classics in Arizona

Photos of Spectrum Wall Slideshow Add Photo
Rock Climbing Photo: Spectrum Wall from across the canyon
BETA PHOTO: Spectrum Wall from across the canyon
Rock Climbing Photo: John and Joe scoping out the lines
John and Joe scoping out the lines

Comments on Spectrum Wall Add Comment
Show which comments
By jbak
Apr 9, 2014
hmmm...well...waddaya know
By Joe Kreidel
From: San Antonio, TX
Apr 10, 2014
Jbak, I was surprised to hear you hiked out here, but never climbed anything. It turned out to be a fun little area.
By Luke Bertelsen
From: Tucson, AZ
Apr 12, 2014
Nice job, guys!!! Lots of untapped rock out there. Glad to hear more folks are gettin' after it.
By Hendrixson
From: Tucson, AZ
Mar 30, 2015
Kudos to the developers for the new routes.

In late March most routes stay shaded until 1:30pm.

A number of the lines felt squeezed as I found myself questioning whether I was off the intended line. This was particularly true on Infrared Heart and Over and Back as Corner Exit was sometimes nearby. As is often the case the rules of climbing are arbitrary.
By JoeS
Mar 31, 2015
Thanks for the kudos. If you clipped the bolts you were on route. As stated in the route description, the start of Infrared Heart does share some of the same moves as Corner Exit. This was done because the straight-up start would have had a few extremely hard moves inconsistent with the long 5.11 rest of the climb. As to the route squeezing, we wanted to put up as many fun climbs as we could, and as a result the routes are close to one another. I understand some may not like this. Just a matter of taste.
By Hendrixson
From: Tucson, AZ
Apr 1, 2015
I share your route climbing philosophy; if I clip all the bolts I am on route. I climbed the route prior to checking Mountain Project and thus was initially baffled, thinking I had missed something. I eventually settled on climbing the route exactly as you suggested in the description.
By Jake Croft
From: Tucson, Az
Oct 12, 2015
Lowering hardware gives your rope some bad twisties on a few of the routes, if anyone feels like bringing out a few inches of chain it would probably fix this. Not complaining though, you guys put biners on the anchors which saves alot of pain and rappeling. Thanks!

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