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 →

58 routes and 2 boulder problems+

  • 1 Tigers in Lipstick 5.9
    ★ 2.7 · 6 Trad Tigers in Lipstick North Fork of the St. Vrain River · St. Vrain Canyons · 6,020 ft · granite Base placed (one source)
  • 1 Red Robin 5.10c
    ★ 1.3 · 3 Trad Rodent Rock South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Base placed (one source)
  • PWS Corner 5.6
    ★ 2.0 · 1 Trad North Fork of the St. Vrain River · St. Vrain Canyons · 6,020 ft · granite Base placed (one source)
  • 1 Meat in a Wine Glass 5.9
    ★ 1.0 · 1 Sport PG Hobo Car, The South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Base placed (one source)
  • The Ant 5.10a
    ★ 2.0 · 1 Sport South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Base placed (one source)
  • Pilots 3 Mayday! 5.10
    ★ 2.0 · 1 Trad North Fork of the St. Vrain River · St. Vrain Canyons · 6,020 ft · granite Base placed (one source)
  • 1 Epilithic Wave V1
    Boulder Mental Crux Boulder South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Base placed (one source)
  • 1 Tomato Traverse V4
    Boulder Summit Boulder Problems North Fork of the St. Vrain River · St. Vrain Canyons · 6,020 ft · granite Base placed (one source)
  • 1 Rattlesnake Rodeo 5.6
    Trad Disappointment Dome North Fork of the St. Vrain River · St. Vrain Canyons · 6,020 ft · granite Base placed (one source)
  • 10 Redneck Hero 5.12a
    ★ 3.8 · 172 Sport River Wall II North Fork of the St. Vrain River · St. Vrain Canyons · 6,020 ft · granite Position on wall known
  • 14 Introducing Meteor Dad 5.10d
    ★ 3.3 · 117 Sport River Wall II North Fork of the St. Vrain River · St. Vrain Canyons · 6,020 ft · granite Position on wall known
  • 26 KeeMoSabe 5.9
    ★ 2.5 · 114 Sport Scout Rock South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 9 Upside The Cranium 5.10c
    ★ 3.5 · 102 Sport Monkey Skull, The South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 7 Sunshine Dihedral 5.10b
    ★ 3.2 · 90 Trad Monkey Skull, The South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 8 Handcrack-a-rete 5.7
    ★ 3.1 · 88 Trad Coliseum, The South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 3 Casual Corner 5.8+
    ★ 2.6 · 82 Trad Monkey Skull, The South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 22 Cornered 5.9
    ★ 1.9 · 78 Sport Scout Rock South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 25 Tonto 5.9+
    ★ 1.9 · 75 Sport Scout Rock South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 5 Hollow Man 5.8
    ★ 2.9 · 72 SportTrad Coliseum, The South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 1 Unleash The Lions 5.7
    ★ 2.2 · 69 Trad Coliseum, The South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 5 Remission 5.8
    ★ 2.1 · 61 SportTop rope Upper Infirmary Slabs South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 5 Rawhide 5.10c
    ★ 2.5 · 59 Sport Scout Rock South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 20 Blood Brothers 5.7
    ★ 1.8 · 55 Sport Scout Rock South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 9 Panic in the Gray Room 5.10b/c
    ★ 3.0 · 55 SportTop rope Upper Infirmary Slabs South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 1 Community Service (formerly Little Flatiron Left aka West Buttress) 5.6
    ★ 2.4 · 54 SportTop rope Upper Infirmary Slabs South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 3 Ionic Column 5.10b/c
    ★ 2.8 · 53 SportTrad Coliseum, The South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 2 Fringe Dweller 5.10b/c
    ★ 2.3 · 49 SportTradTop rope Monkey Skull, The South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 12 Escape from Alcatraz 5.11b
    ★ 2.7 · 49 SportTop rope River Wall II North Fork of the St. Vrain River · St. Vrain Canyons · 6,020 ft · granite Position on wall known
  • 1 The Ridge 5.8-
    ★ 2.5 · 48 Trad West-Northwest Face Middle Fork of St. Vrain Canyon · St. Vrain Canyons · 8,503 ft · granite Position on wall known
  • 27 Little Bear 5.11b
    ★ 2.2 · 48 SportTop rope Scout Rock South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 18 Arresting Arete 5.10d
    ★ 2.0 · 47 Sport River Wall II North Fork of the St. Vrain River · St. Vrain Canyons · 6,020 ft · granite Position on wall known
  • 6 Admission Crack 5.6
    ★ 2.0 · 46 TradTop rope Upper Infirmary Slabs South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 4 Temptation Arete 5.12a
    ★ 3.8 · 43 Sport Trojan Bunny Buttress South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 10 Tom Thumb 5.8+
    ★ 2.2 · 42 Trad Scout Rock South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 13 Livewire 5.10c/d
    ★ 2.6 · 42 SportTrad River Wall II North Fork of the St. Vrain River · St. Vrain Canyons · 6,020 ft · granite Position on wall known
  • 19 Dihedral [River Wall] aka Shades of Murky Depths 5.8
    ★ 1.8 · 41 Sport River Wall II North Fork of the St. Vrain River · St. Vrain Canyons · 6,020 ft · granite Position on wall known
  • 2 Merit Based Pay 5.7
    ★ 2.1 · 40 SportTrad Upper Infirmary Slabs South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 13 Life After James 5.11b
    ★ 3.0 · 40 Sport December Wall South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 12 Exit Stage Left 5.9
    ★ 2.1 · 39 Trad Scout Rock South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 20 Fire On The Mountain 5.11c
    ★ 3.0 · 38 SportTrad Trojan Bunny Buttress South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 9 The Bruise Collector 5.12a
    ★ 3.1 · 37 Sport Trojan Bunny Buttress South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 9 Lost in Time 5.10b
    ★ 3.1 · 36 SportTrad Coliseum, The South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 8 Cyberchondrial Paranoia 5.10d
    ★ 2.5 · 36 Sport Upper Infirmary Slabs South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 1 Old Yellar 5.13a
    ★ 3.9 · 36 Sport Old Yellar Dome North Fork of the St. Vrain River · St. Vrain Canyons · 6,020 ft · granite Position on wall known
  • 3 Route 166 5.7
    ★ 1.9 · 35 TradTop rope Scout Rock South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 10 Emergency Entrance 5.6
    ★ 2.0 · 34 TradTop rope Upper Infirmary Slabs South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 11 Original Route 5.8
    ★ 2.1 · 34 Trad Observatory Rock South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 4 Hollow Be Thy Name 5.10c
    ★ 2.5 · 34 SportTrad Monkey Skull, The South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 7 Crooked Cross 5.9+
    ★ 3.2 · 33 Trad Sentinel, The South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 17 Neurosurgeon 5.12a
    ★ 3.2 · 33 Trad R River Wall II North Fork of the St. Vrain River · St. Vrain Canyons · 6,020 ft · granite Position on wall known
  • 2 New Horizon 5.13a
    ★ 3.9 · 33 Sport River Wall II North Fork of the St. Vrain River · St. Vrain Canyons · 6,020 ft · granite Position on wall known
  • 7 IV League 5.7
    ★ 1.7 · 30 TradTop rope Upper Infirmary Slabs South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 3 Mnemonic Plague 5.9+
    ★ 2.5 · 29 Trad December Wall South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 4 I Promise Not To Cam In Your Mouth 5.9+
    ★ 2.4 · 28 Trad December Wall South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 10 99% Pure 5.9
    ★ 2.0 · 24 Trad Observatory Rock South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 21 Sonata 5.9+
    ★ 3.0 · 24 Trad Trojan Bunny Buttress South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 4 Fogline 5.10a
    ★ 2.6 · 24 Sport Sentinel, The South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 2 Acts of Contrition 5.10b
    ★ 1.7 · 24 SportTop rope Lower Infirmary Slabs South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 10 Caesar's 5.10b
    ★ 2.5 · 23 Trad December Wall South Fork of St. Vrain Canyon · St. Vrain Canyons · 5,905 ft · granite Position on wall known
  • 2 Green Slab 5.9+
    ★ 2.5 · 22 Sport Buick Rocks and Hitler's Sex Life North Fork of the St. Vrain River · St. Vrain Canyons · 6,020 ft · granite Position on wall known