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Atlantis Dome 
Bali Dome 
Green Meanie Bouldering 
Java Dome 
Jazz Dome 
Little Half Dome 
Murphy's Dome South Face 


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Elevation: 6,400'
Location: 39.25424, -105.22677 View Map  Incorrect?
Page Views: 47,780
Administrators: Ben Mottinger, Leo Paik, John McNamee, Frances Fierst, Monomaniac, Kristine Hoffman (sitewide)
Submitted By: John McNamee on Feb 17, 2006
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Half Dome Self belay with USHBA in Deckers.


This area includes domes and crags along side Jefferson County Road 97 close to Deckers. In the South Platte guidebooks it is referred to as the Malay Archipelago region.

Often the biggest challenge of climbing in this area is located the start of the climb. Over time, many of the routes have changed, bolts have been removed and added, and removed, etc. Allow plenty of time for scouting and finding the routes. Carefully scope routes before launching up them in case their description and protection comments have changed.

The most popular areas are:

Atlantis Dome
This is yet another set of beautiful, rounded, granite domes in the South Platte. These domes have 1-2 pitch slab routes with mostly spartan, bolt protection. South facing.

Murphy's Dome South Face
Nice one pitch climbs, mostly friction, with new bolts and 2 bolt anchors. South facing.

Deckers, is a small place with a general store and a fly fishing shop. The General Store dates back to the 1890's and was built by Stephen Decker. It is also a popular region for fly-fishing. Deckers received national attention during the June 2002 Hayman forest fire.

Getting There 

From Denver, go W on Hwy 285, go S on Foxton Rd just past Conifer, take a L at the T to South Platte (96), towards Deckers, drive 3 miles. Park in a legal spot. You may have to walk along the road a bit to the trailheads. There are 2 drainages to hike:

The S drainage is better for the S face of Java Dome and Bali Domes.

The N drainage is better for Atlantis Dome (on your L/S-facing) and W face of Java Dome. Approaches take 10-20 minutes.

Map of Deckers

Climbing Season

Weather station 3.2 miles from here

71 Total Routes

['4 Stars',2],['3 Stars',6],['2 Stars',31],['1 Star',31],['Bomb',1]

The Classics

Mountain Project's determination of some of the classic, most popular, highest rated routes for Deckers:
Easy Listening   3rd 1- 1 I 1 M 1a     TR, 1 pitch, 100'   Jazz Dome
Tim's Walkway   5.6 4c 14 V 12 S 4b     Sport, 2 pitches, 145'   Atlantis Dome
Just Chillin'   5.7 5a 15 V+ 13 MVS 4b     Sport, 1 pitch, 100'   Little Half Dome
Pissappointment   5.7 5a 15 V+ 13 MVS 4b     Sport, TR, 1 pitch, 105'   Jazz Dome
D&D   5.8 5b 16 VI- 15 HVS 4c     Sport, 2 pitches, 170'   Jazz Dome
Straight - No Chaser   5.8+ 5b 16 VI- 15 HVS 4c     Sport, 1 pitch, 150'   Jazz Dome
Dad Loves Jazz   5.9 5c 17 VI 17 HVS 5a     Sport, 1 pitch, 140'   Jazz Dome
Missing The Dike aka Two Dikes for Dinner   5.9 5c 17 VI 17 HVS 5a     Sport, 1 pitch, 100'   Atlantis Dome
Traditionalists at Work   5.9 5c 17 VI 17 HVS 5a     Sport, 1 pitch, 180'   Java Dome : North Face
Platte Magic   5.10b 6a+ 19 VII- 19 E2 5b PG13     Trad, Sport, 1 pitch, 150'   Java Dome : North Face
Dog Day Afternoon   5.10 6b 20 VII- 19 E2 5b     Sport, 1 pitch, 200'   Little Half Dome
Browse More Classics in Deckers

Featured Route For Deckers

Platte Magic 5.10b 6a+ 19 VII- 19 E2 5b PG13  CO : South Platte : ... : North Face
Yet another terrific route on a great wall. This route offers very nice climbing that flirts with a black water streak that has exquisite rock.This route starts just behind the large evergreen tree. It is the 5th bolted route from the left, and the 6th route from the left if you include the 'Way Jingus' toprope.Begin with relatively easy slabbing to the first bolt. Some fun sidepull flakes get you up to the 2nd and third bolts. Kind of cruxy at the 3rd bolt and eases off to sustained clim...[more]   Browse More Classics in CO

Photos of Deckers Slideshow Add Photo
Left side half dome. Tin Can Alley left route.  New bolted route in the middle.  The tube is on the right.
BETA PHOTO: Left side half dome. Tin Can Alley left route. Ne...
One of these slabs. It being on Jazz Dome early nineties.
One of these slabs. It being on Jazz Dome early ni...
South side of Half Dome.
BETA PHOTO: South side of Half Dome.
Half Dome. <br />Photo by Blitzo.
Half Dome. Photo by Blitzo.
Half Dome.
BETA PHOTO: Half Dome.
Morgan leading a route to the right of Tin Can Alley.
Morgan leading a route to the right of Tin Can All...
Half Dome Nice new anchors.  At least 4 that I have found.
BETA PHOTO: Half Dome Nice new anchors. At least 4 that I hav...
Boone on his first South Platte climb (and second roped climb), a little 3rd class slab near Jazz Dome we called Easy Listening.
Boone on his first South Platte climb (and second ...
Half Dome south side.  Me getting spanked on this unknown route.
Half Dome south side. Me getting spanked on this ...
The old South Platte Hotel. <br /> <br />Photo by Blitzo.
The old South Platte Hotel. Photo by Blitzo.

Comments on Deckers Add Comment
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By jeff bryan
From: Cortez, co
Jul 24, 2008
I agree with A.C. high overhead low return. I have been to both Atlantis and Java. From the Beta pics of Murphy's Dome I am not really sure where that is. Is this the formation just above the parking lot with multiple bolted lines. Which do have some new anchors. I loaned my H. book and I seem to remember a different rock name.
By jeff bryan
From: Cortez, co
Jul 25, 2008
Tried to climb this unknown rock today and got spanked. The first route
I left a beaner at the second bolt. It just seemed to hard for me, I fell twice. The second route I attempted had a big jug, but it felt like it was going to pull off. I got above it to the left and everything I grabbed pulled apart, so I bagged it and we went to our 3rd route which my buddy was half way up when we got rained off. This dome has tons of rock that is just rotten as it comes. The 3rd route we tried was pure friction and not as rotten but was friable friction. I am not sure if it is worth a second visit. The middle trad line looks ok, but with storms moving in we decided against it.
By John McMullen
From: El Portal, CA
Apr 25, 2009
This entire area was slated to be at the bottom of a new Dam and Reservoir back when we were climbing there (thus the names). It was practically a fact ... and fortunately didn't happen.

Since climbers at the time didn't communicate ... miss information was the norm.