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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

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 →

5 routes and 18 boulder problems

7 Route 3 5.10c
★ 2.7 · 3 Sport The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
6 Route 2 5.10a
★ 3.0 · 2 Sport The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
5 Route 1 5.8
★ 2.0 · 1 Sport The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
8 Route 4 5.11
★ 3.0 · 1 Sport The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
1 V0 V0
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
3 V0/1 V0+
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
2 V1 Sloper V1
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
4 V2 V2
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
21 Hit! V3
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
10 Big Boulder - First Problem V3+
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
16 Star Crossed Lovers V5+
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
23 Hangar V5-6
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
17 Mercutio V6
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
11 Crimp Route V6
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
14 Romeo V7
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
13 Dem Apples V8
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
15 Star-Crossed Romeo V8
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
12 Dem Krusbär V8
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
19 Kevin's Problem V9
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
22 Cool Arete V9
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
20 Rhythm of the Saints V11
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
18 Juliet V11
Boulder The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known
9 Route 5 5.12+
Sport The Aircraft Carrier · Aircraft Carrier, The · 8,793 ft · gneiss, schist & quartzite Position on wall known