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Gross Reservoir

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Chipped Boulder 
Green Slab Block 
Natural Apparatus Boulder 
Power Boulder 
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From MP's sister site:

Gross Reservoir  Rock Climbing 

Photos:  Recent | Best | Popular
Location: 39.9455, -105.3474 View Map  Incorrect?
Page Views: 7,324
Administrators: Leo Paik, John McNamee, Frances Fierst, Monty, Monomaniac, Kristine Hoffman (sitewide)
Submitted By: Thegillest on Aug 1, 2012  with updates from Justin Brunson
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BETA PHOTO: The Chipped Boulders area viewed from the top of t...

Do not park on road. MORE INFO >>>


This area has granite, freestanding boulders that are 15- 20 feet tall and well-featured with slopers, crimps and jugs. The boulders in this area contains many problems from V0 and up. This area is still undeveloped, for the most part, and has quite a bit of potential.

Getting There 

Park at scenic overlook two car parking and designated parking only. Continue down the road untill you reach a right hand pullout blocked by a gate reading; NO PARKING. Cross the road and continue under the the power line towards the magnificent "dome" until you reach a clear area holding three or four free standing boulders. This area is referred to as the chipped boulders area in a local guidebook because of the repulsive chipping of artificial holds and ignorant placement of numerous bolts. If you see this disgusting defacement, then you're in the right place.

Climbing Season

For the All Locations area.

Weather station 0.3 miles from here

21 Total Climbing Routes

['4 Stars',1],['3 Stars',8],['2 Stars',7],['1 Star',1],['Bomb',4]

Classic Climbing Routes in Gross Reservoir

Mountain Project's determination of the classic, most popular, highest rated climbing routes for Gross Reservoir :
West Face   V0 4 PG13     Boulder, 13'   Natural Apparatus Boulder
Party Trick   V3-4 6A+     Boulder, 15'   Natural Apparatus Boulder
Browse More Rock Climbing Classics in Gross Reservoir

Featured Route For Gross Reservoir
Rock Climbing Photo: V0 Slab.

Northwest Slab V0 4  Colorado : Gross Reservoir : Natural Apparatus Boulder
Climb the clean slab on the northwest side....[more]   Browse More Classics in Colorado

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By Bryan Baumgart
4 days ago
I was using the guidebook to get to the Burn/Natural Apperatus area. No parking where there should be, looks like they added no parking signs to what was once small parking areas. So we parked by the overlook area and was about to start walking down when a ranger for the reservoir stopped by and asked if I needed anything. I told him where I was headed and he said the whole open space area that the boulders are in was closed for restoration.. I did look this up before heading there and didn't see any info on the Boulder Open Space website. So we just headed back down to Flagstaff. Does anyone have any info on Bouldering here? Is all/most of the areas closed? I was just a little bummed because it seemed like a fun little area.

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