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.

Edit search

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 →

1 route and 59 boulder problems+

  • A Nice Route 5.7+
    ★ 2.0 · 2 Trad *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Base placed (one source)
  • 1 Center Route Boulder V0-1
    Boulder Split Rock Area *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Base placed (one source)
  • 1 Rock Chalk V0-1
    Boulder Hecla Junction *Arkansas Valley Bouldering South · *Arkansas Valley Bouldering · 7,679 ft · granite Base placed (one source)
  • 1 The Paddle V1
    Boulder Raft Block *Arkansas Valley Bouldering South · *Arkansas Valley Bouldering · 7,679 ft · granite Base placed (one source)
  • Bucket Brigade V2
    Boulder *Arkansas Valley Bouldering South · *Arkansas Valley Bouldering · 7,679 ft · granite Base placed (one source)
  • The Fissure V2
    Boulder *Arkansas Valley Bouldering West · *Arkansas Valley Bouldering · 8,868 ft · granite Base placed (one source)
  • The Blade V2+
    Boulder *Arkansas Valley Bouldering South · *Arkansas Valley Bouldering · 7,679 ft · granite Base placed (one source)
  • 1 Almost A Boulder V4
    Boulder Almost a tunnel *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Base placed (one source)
  • 1 King Charles V4
    Boulder Sleeper Block *Arkansas Valley Bouldering South · *Arkansas Valley Bouldering · 7,679 ft · granite Base placed (one source)
  • 1 Beef Supreme V5
    Boulder Beef Supreme Boulder *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Base placed (one source)
  • 1 Undone Project V10
    SportBoulder London Gray *Arkansas Valley Bouldering West · *Arkansas Valley Bouldering · 8,868 ft · granite Base placed (one source)
  • 1 Layback Arete V0-
    Boulder Lizard Head *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 1 Birth Canal V0-
    Boulder Three's a Crowd *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 2 Snaggle Tooth V0
    Boulder Lizard Head *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 2 V0 Face V0
    Boulder Maiden Block *Arkansas Valley Bouldering South · *Arkansas Valley Bouldering · 7,679 ft · granite Position on wall known
  • 2 You Rang? V0
    Boulder Butler Block *Arkansas Valley Bouldering South · *Arkansas Valley Bouldering · 7,679 ft · granite Position on wall known
  • 3 V0 V0
    Boulder Nathrop Cube *Arkansas Valley Bouldering South · *Arkansas Valley Bouldering · 7,679 ft · granite Position on wall known
  • 1 The Cling V0
    Boulder Nathrop Cube *Arkansas Valley Bouldering South · *Arkansas Valley Bouldering · 7,679 ft · granite Position on wall known
  • 1 Bad Beta V0+
    Boulder Aloe Vera Boulder *Arkansas Valley Bouldering South · *Arkansas Valley Bouldering · 7,679 ft · granite Position on wall known
  • 3 Angel Wings Right V0-1
    Boulder Turtle Rocks Camping Area *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 3 Middlin' V0-1
    Boulder Three's a Crowd *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 7 Blackeyed Peas V0-1
    Boulder Black Boulder, The *Arkansas Valley Bouldering North · *Arkansas Valley Bouldering · 10,048 ft · granite Position on wall known
  • 3 Lost My Nose V1-
    Boulder Lizard Head *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 1 Angel Wings Left V1
    Boulder Turtle Rocks Camping Area *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 4 Diamond Plate Arete V1
    Boulder Hilltop *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 5 Hilltop Warm-up V1
    Boulder Hilltop *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 5 Neck Press V1
    Boulder Lizard Head *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 8 Left of Classic V1
    Boulder Brood, The *Arkansas Valley Bouldering North · *Arkansas Valley Bouldering · 10,048 ft · granite Position on wall known
  • 2 The Verse V1
    Boulder Nathrop Cube *Arkansas Valley Bouldering South · *Arkansas Valley Bouldering · 7,679 ft · granite Position on wall known
  • 2 Sunshine Superman? V1
    Boulder Buena Boulder, The *Arkansas Valley Bouldering South · *Arkansas Valley Bouldering · 7,679 ft · granite Position on wall known
  • 4 Austen's Left Arete V1-2
    Boulder Pod, The *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 8 Left Line V1-2
    Boulder Main Area *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 8 Camel Toe V1-2
    Boulder Fupa, The *Arkansas Valley Bouldering North · *Arkansas Valley Bouldering · 10,048 ft · granite Position on wall known
  • 3 Blackmail V1-2
    Boulder Black Boulder, The *Arkansas Valley Bouldering North · *Arkansas Valley Bouldering · 10,048 ft · granite Position on wall known
  • 6 South Middle V2
    Boulder First Roadside Boulder *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 9 East Arete V2
    Boulder First Roadside Boulder *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 6 Hilltop Slab V2
    Boulder Hilltop *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 4 Gecko V2
    Boulder Lizard Head *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 6 South Face Middle Patina V2
    Boulder Patina Boulder Area *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 3 Right Slab Patina Boulder V2
    Boulder Patina Boulder Area *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 5 South Face Left Patina V2
    Boulder Patina Boulder Area *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 1 Moccasin Slab Left V2
    Boulder Main Area *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 10 Right Line V2
    Boulder Main Area *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 9 Middle Line V2
    Boulder Main Area *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 4 Small Roof Warm-up V2
    Boulder Main Area *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 9 Center Classic V2
    Boulder Brood, The *Arkansas Valley Bouldering North · *Arkansas Valley Bouldering · 10,048 ft · granite Position on wall known
  • 15 Awkward Left V2
    Boulder Brood, The *Arkansas Valley Bouldering North · *Arkansas Valley Bouldering · 10,048 ft · granite Position on wall known
  • 14 Another Lowball V2
    Boulder Brood, The *Arkansas Valley Bouldering North · *Arkansas Valley Bouldering · 10,048 ft · granite Position on wall known
  • 6 Easier Fun Climb V2
    Boulder Brood, The *Arkansas Valley Bouldering North · *Arkansas Valley Bouldering · 10,048 ft · granite Position on wall known
  • 13 Another Chad Lowball V2
    Boulder Brood, The *Arkansas Valley Bouldering North · *Arkansas Valley Bouldering · 10,048 ft · granite Position on wall known
  • 3 Middle Slab V2
    Boulder Tumor, The *Arkansas Valley Bouldering North · *Arkansas Valley Bouldering · 10,048 ft · granite Position on wall known
  • 2 Scorpion Tail V2
    Boulder Tumor, The *Arkansas Valley Bouldering North · *Arkansas Valley Bouldering · 10,048 ft · granite Position on wall known
  • 1 Ninja Boots V2
    Boulder Fupa, The *Arkansas Valley Bouldering North · *Arkansas Valley Bouldering · 10,048 ft · granite Position on wall known
  • 2 Beaver Flop V2
    Boulder Fupa, The *Arkansas Valley Bouldering North · *Arkansas Valley Bouldering · 10,048 ft · granite Position on wall known
  • 6 Snatch V2
    Boulder Fupa, The *Arkansas Valley Bouldering North · *Arkansas Valley Bouldering · 10,048 ft · granite Position on wall known
  • 1 Marrying Maiden? V2
    Boulder Maiden Block *Arkansas Valley Bouldering South · *Arkansas Valley Bouldering · 7,679 ft · granite Position on wall known
  • 1 Servitude? V2
    Boulder Butler Block *Arkansas Valley Bouldering South · *Arkansas Valley Bouldering · 7,679 ft · granite Position on wall known
  • 7 South Face Right Patina V2+
    Boulder Patina Boulder Area *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 2 Bullet Hole Slab V2+
    Boulder Three's a Crowd *Arkansas Valley Bouldering East · *Arkansas Valley Bouldering · 8,303 ft · granite Position on wall known
  • 7 Moose Knuckle V2+
    Boulder Fupa, The *Arkansas Valley Bouldering North · *Arkansas Valley Bouldering · 10,048 ft · granite Position on wall known