Powerline Boulders
1 route and 2 boulder problems · Tonalite, Metasedimentary Rocks · 6,598 ft
How well located
Crag only 3
No route here has its own point yet. The map pin is the crag. At the wall? Survey it: 30 seconds per route.
Rock, from the geologic map
Tonalite, Metasedimentary Rocks. about 4,000 to 541 million years old.
Light-gray quartz diorite consisting of plagioclase (predominant), quartz, and (subordinate) hornblende or biotite or both. Varies from medium-grained and equigranular to very fine-grained and porphyritic; nonfoliated. METASEDIMENTARY ROCKS (PRECAMBRIAN
This is the map unit under this crag's map point, read from the 1:100,000 sheet (Colton, Roger B., 1976, U.S. Geological Survey Geologic Investigations Series I-855-G). The point can be a few hundred metres from the rock, a cliff often stands on the line between two units, and at that scale a line on the map is about 100 m wide on the ground, so the wall itself may be the neighbouring unit. Every crag on this unit: Tonalite, Metasedimentary Rocks. Geology data: Macrostrat (CC BY 4.0), serving USGS and Colorado Geological Survey maps.
On the map since 1905
The USGS has mapped this ground since 1905. 23 historical sheets cover this crag's map point; the oldest is below.
USGS Historical Topographic Map Collection · Public domain · the record · placed by its coordinates
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Hidden as soon as you tell us, everywhere it appears, before anyone reviews it.
Public domain, U.S. Geological Survey. The sheet shows the ground as the survey found it then, which is why a trail or road you know may be missing. Every sheet over this point, 1905 to 1984: USGS topoView.
In print since 1877
1877 Geologic Map of Colorado (Hayden), high-resolution scan · F. V. Hayden; scan by the Colorado Geological Survey · 1877
Geological and geographical atlas of Colorado and portions of adjacent territory · F. V. Hayden, U.S. Geological and Geographical Survey of the Territories · 1877
Mountaineering in Colorado: the peaks about Estes Park · Frederick H. Chapin · 1889
The story of Estes Park · Enos A. Mills · 1914
Trail and Timberline, volume 2 (1918) · Colorado Mountain Club · 1918
Mountaineering in the Rocky Mountain National Park · Roger W. Toll, U.S. National Park Service · 1919
Free to read: public domain or government work. About Estes Park Valley as a whole, not this wall. More in the reading room.
Routes
Photos from climbers
No photos here yet. If you're at the crag, yours would be the first.
Taken at the crag by climbers and published as they sent them. Each one's own location had to be within 0.5 km of this crag before we accepted it. See something that shouldn't be here? Use Report this photo under it and it's hidden at once. Anything else, write to us.
Conditions reported
Nothing reported recently.
Report what you see
Reports are dated and fade on their own: wet rock after 3 days, a bad bolt after a year. No names, no text.
Access & safety
The map point for this crag is on land managed by City of Fort Collins (local government), in Bobcat Ridge Natural Area. It lies inside local conservation area.
Worth checking first. PAD-US records public access to this unit as “closed” (according to CNHP COMaP, 2016). That is about getting onto the unit at all, not about climbing, and we have not checked it against City of Fort Collins's own page.
Land manager from USGS PAD-US (public domain), read 2026-09-29. It is the manager of the crag's map point, which can be a long way from the wall. What you may do on the rock is the manager's to say, not ours.
Nobody has yet read City of Fort Collins's own rules for this crag and written them down here, so treat the above as where you are, not as what you may do.
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