Deep Cut Guide

Find the route. Know you're on it.

20,722 routes and 9,367 boulder problems at 2,256 Colorado crags. Every route says how sure we are of where it starts.

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Colorado rock, from the archives

[Rock of Ages, Garden of the Gods]
Garden of the Gods · [Rock of Ages, Garden of the Gods] · C. Duhem & Bro. · 1869
Library of Congress, Prints & Photographs Division · Public domain · the record · indexed to this place by the archive
Air Force Academy · [Aerial view of the United States Air Force Academy, El Paso County, Colorado] · Trikosko, Marion S. · 1958
Library of Congress, Prints & Photographs Division · Public domain · the record · found by place name, not yet checked
Ute Pass · Manitou and vicinity - Rainbow Falls, Ute Pass · Thurlow, J. (James Thomas), 1831-1878 · 1874
Library of Congress, Prints & Photographs Division · Public domain · the record · found by place name, not yet checked
San Luis Valley · Entrance to Sah Watch valley. San Luis valley and the Sierra Blanca in the distance · P.S. Duval & Co. · 1854
Library of Congress, Prints & Photographs Division · Public domain · the record · indexed to this place by the archive
Mount Herman · [Bed of one-year-old yellow pine trees, Mount Herman Nursery, Pike National Forest, El Paso County, Colorado] · 1909
Library of Congress, Prints & Photographs Division · Public domain · the record · found by place name, not yet checked
Pike's Peak · Manitou, Pike's Peak in distance · Jackson, William Henry, 1843-1942 · 1881
Library of Congress, Prints & Photographs Division · Public domain · the record · indexed to this place by the archive
Black Canyon of the Gunnison · A rift in the rocks, Black Canyon, Colo., U.S.A. on line D&R, G.R.R. · 1898
Library of Congress, Prints & Photographs Division · Public domain · the record · indexed to this place by the archive
Leadville · Ice Palace, Leadville, Colo. · Jackson, William Henry, 1843-1942 · 1896
Library of Congress, Prints & Photographs Division · Public domain · the record · indexed to this place by the archive
City of Boulder · Viewing the little city of Boulder, Colorado, from the heights · 1906
Library of Congress, Prints & Photographs Division · Public domain · the record · found by place name, not yet checked
Boulder · Boulder, Colorado · Detroit Photographic Co. · 1900
Library of Congress, Prints & Photographs Division · Public domain · the record · indexed to this place by the archive

Photographs of these places held by the Library of Congress, the oldest from 1854. Every one carries the Library's own “no known restrictions on publication”. The whole deep-cuts layer →

4 routes and 12 boulder problems

  • 1 The Pegboard 5.8
    ★ 3.0 · 1 Trad Sturm Hall · DU Campus Bouldering/Buildering · 5,349 ft Position on wall known
  • 2 Fully Flared 5.9
    ★ 3.0 · 1 Trad X Sturm Hall · DU Campus Bouldering/Buildering · 5,349 ft Position on wall known
  • 2 Odd Man Out V0-1
    Boulder Magness Area · DU Campus Bouldering/Buildering · 5,353 ft Position on wall known
  • 1 Peepin' Tom V1
    Boulder Magness Area · DU Campus Bouldering/Buildering · 5,353 ft Position on wall known
  • 2 Shittin' Bricks V1
    Boulder SIE Lower Tier Wall · DU Campus Bouldering/Buildering · 5,360 ft Position on wall known
  • 4 Falling Like A Stone V1-2
    Boulder Magness Area · DU Campus Bouldering/Buildering · 5,353 ft Position on wall known
  • 1 Manmade V2
    Boulder SIE Lower Tier Wall · DU Campus Bouldering/Buildering · 5,360 ft Position on wall known
  • 3 Security Sloper V3-
    Boulder Magness Area · DU Campus Bouldering/Buildering · 5,353 ft Position on wall known
  • 1 Defying Physics 5.6
    ★ 3.3 · 3 Trad R Physics Building · DU Campus Bouldering/Buildering · 5,356 ft Crag only
  • 1 Cubic V-easy
    Boulder Denver Research Institute · DU Campus Bouldering/Buildering · 5,365 ft Crag only
  • 1 Safety Fourth V1
    Boulder Campus Safety Center · DU Campus Bouldering/Buildering · 5,354 ft Crag only
  • Defying Physics V1-2
    Boulder Mudd Science Building · DU Campus Bouldering/Buildering · 5,356 ft Crag only
  • East Face V2
    Boulder Ana and John Sie International Relations Complex · DU Campus Bouldering/Buildering · 5,385 ft Crag only
  • 1 Mudd Traverse V2
    Boulder Mudd Science Building · DU Campus Bouldering/Buildering · 5,356 ft Crag only
  • 1 Nelson Royal Arch V5
    Boulder Nelson Hall · DU Campus Bouldering/Buildering · 5,359 ft Crag only
  • Dubs' Traverse 5.11
    TradBoulder Ritchie Center · DU Campus Bouldering/Buildering · 5,343 ft Crag only