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Gross Reservoir

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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: 8,538
Administrators: Leo Paik, John McNamee, Frances Fierst, Monty, Monomaniac, Kristine Hoffman (sitewide)
Submitted By: Thegillest on Aug 1, 2012  with updates from Justin Brunson
You & This Area
Best climbs for YOU in this area
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BETA PHOTO: The Chipped Boulders area viewed from the top of t...

Do not park on road. Temporary closure of Burn area. 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

24 Total Climbing Routes

['4 Stars',2],['3 Stars',9],['2 Stars',8],['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: Kenny using his left heel.

The Cleric V5 6C  Colorado : Gross Reservoir : Corridor Area
Start low on the right side of the boulder with a right hand undercling and right heel hook. Climb up and slightly right using crimpers and a sloping sidepull to gain the juggy topout. There are a selection of holds down low that yield multiple options for the start. The crux is about halfway up, so the grade seems consistent regardless of how you decide to start the route....[more]   Browse More Classics in Colorado

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By Bryan Baumgart
Jun 18, 2017
I was using the guidebook to get to the Burn/Natural Apparatus 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.
By Captain Derp
Jun 24, 2017
That seems odd. I've been bouldering there pretty regularly for the last couple of years and I've never had an issue. I've been stopped by Denver Water folks a few times and they just ask where I'm bouldering and tell me to have fun.

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