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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49 routes and 11 boulder problems+

  • 14 Freeway 5.0
    ★ 3.2 · 1598 Trad Second Flatiron Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • 5 Angel's Way 5.2
    ★ 3.5 · 320 Trad Ridge 3 aka Angel's Way Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • 7 Diagonal 5.2
    ★ 2.6 · 96 Trad R Slab, The Flatirons South · Flatirons · 7,408 ft · sandstone Base placed (one source)
  • 2 Buckets 5.0
    ★ 3.1 · 83 Trad Amoeboid Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • 8 Zig Zag 5.7
    ★ 2.4 · 66 Trad First Flatiron Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • 1 East Face/Pellea 5.5
    ★ 2.9 · 62 Trad R Pellaea Flatirons South · Flatirons · 7,408 ft · sandstone Base placed (one source)
  • Northeast Ridge 5.0
    ★ 1.6 · 36 Trad Flatirons South · Flatirons · 7,408 ft · sandstone Base placed (one source)
  • 1 East Face/Anomaly 5.0
    ★ 1.2 · 34 Trad Anomaly Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • 1 Southeast Ridge 4th
    ★ 2.4 · 32 Trad Third Flatironette Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • 1 South East Ridge/Two Move Rock 5.2
    ★ 1.8 · 24 Trad Two Move Rock Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • 1 East Face/Mallory Flatironnette aka Shark Fin 4th
    ★ 2.1 · 18 Trad Mallory Flatironette Flatirons Central · Flatirons · 6,347 ft · sandstone Base placed (one source)
  • 1 South Pinnacle Easy 5th
    ★ 1.8 · 18 Trad Devil's Pinkie (AKA South Pinnacle) Flatirons South · Flatirons · 7,408 ft · sandstone Base placed (one source)
  • 1 Southeast Ridge 5.3
    ★ 1.4 · 10 Trad PG Lost Flatironette Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • 1 East Face 5.2
    ★ 2.2 · 8 Trad X Broken Egg Flatirons South · Flatirons · 7,408 ft · sandstone Base placed (one source)
  • North Ridge/Gregory Flatironette 5.4
    ★ 1.2 · 8 Trad R Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • Mentor 5.12b
    ★ 3.5 · 8 Sport Flatirons South · Flatirons · 7,408 ft · sandstone Base placed (one source)
  • 1 East Face 3rd
    ★ 1.0 · 6 Trad Rudder, The Flatirons South · Flatirons · 7,408 ft · sandstone Base placed (one source)
  • Damn Daniel 5.2
    ★ 3.0 · 6 Trad Flatirons South · Flatirons · 7,408 ft · sandstone Base placed (one source)
  • 1 East Face 5.3
    ★ 1.7 · 6 Trad X Northern Egg Flatirons South · Flatirons · 7,408 ft · sandstone Base placed (one source)
  • 1 East Face 5.5
    ★ 1.0 · 6 Trad PG West Sentinel Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • East Face 4th
    ★ 1.5 · 4 TradBoulder PG Flatirons Central · Flatirons · 6,347 ft · sandstone Base placed (one source)
  • East Face 4th
    ★ 2.0 · 4 Trad Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • 1 East Face Left Easy 5th
    ★ 2.0 · 4 Trad Madein Boulder Flatirons South · Flatirons · 7,408 ft · sandstone Base placed (one source)
  • 1 East The Face 4th
    ★ 2.0 · 4 Trad Harmon's East Flatirons South · Flatirons · 7,408 ft · sandstone Base placed (one source)
  • 1 Lost in Lycia 5.0
    ★ 2.0 · 4 Trad Chimera Flatirons South · Flatirons · 7,408 ft · sandstone Base placed (one source)
  • East Face 5.4
    ★ 1.0 · 4 Trad Flatirons South · Flatirons · 7,408 ft · sandstone Base placed (one source)
  • 1 North Chimney 5.5
    ★ 1.7 · 3 Trad PG East Sentinel Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • 1 Kats and Dogs 5.10
    ★ 2.0 · 2 Trad PG One Route Rock The Sacred Cliffs · Flatirons · 8,094 ft · sandstone Base placed (one source)
  • 1 Nude MonoDoIts on a Short Face 5.11a
    ★ 2.0 · 2 Sport Namegame Rock The Sacred Cliffs · Flatirons · 8,094 ft · sandstone Base placed (one source)
  • 1 My Cave or Yours 5.11+
    ★ 2.0 · 2 Sport Cave Complex The Sacred Cliffs · Flatirons · 8,094 ft · sandstone Base placed (one source)
  • 1 Downclimb V-easy
    Boulder Love and Marriage Boulder, The Flatirons South · Flatirons · 7,408 ft · sandstone Base placed (one source)
  • 1 West Slab V0-1
    Boulder Ramp Rock The Sacred Cliffs · Flatirons · 8,094 ft · sandstone Base placed (one source)
  • North Traverse V1
    Boulder Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • 1 Unknown V1+
    Boulder Royal Arch Trail Bouldering Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • Recess V2
    Boulder Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • Chonk Arete V3
    Boulder Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • 1 The Common Front Range Flying Squirrel V4
    Boulder Trailside Boulder Flatirons Central · Flatirons · 6,347 ft · sandstone Base placed (one source)
  • 1 Red Sun V5
    Boulder Red Sun Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • 1 Scaly Manfish V6
    Boulder Old Gregg Flatirons North · Flatirons · 7,158 ft · sandstone Base placed (one source)
  • 1 Last Dance V6
    Boulder Sunset Outcrop Block The Sacred Cliffs · Flatirons · 8,094 ft · sandstone Base placed (one source)
  • 4 East Face (Standard) 5.4
    ★ 3.6 · 1850 Trad Third Flatiron Flatirons North · Flatirons · 7,158 ft · sandstone Position on wall known
  • 15 Direct Route 5.6
    ★ 3.5 · 1080 Trad R First Flatiron Flatirons North · Flatirons · 7,158 ft · sandstone Position on wall known
  • 15 East Face North Side/Seal Rock 5.4
    ★ 3.5 · 420 Trad Seal Rock Flatirons South · Flatirons · 7,408 ft · sandstone Position on wall known
  • 5 What If You're Not? 5.7
    ★ 2.7 · 408 SportTop rope Der Zerkle Flatirons Central · Flatirons · 6,347 ft · sandstone Position on wall known
  • 15 Touch Monkey 5.11b
    ★ 2.9 · 408 SportTop rope Der Zerkle Flatirons Central · Flatirons · 6,347 ft · sandstone Position on wall known
  • 7 The Shaft 5.12b
    ★ 3.8 · 400 SportTop rope Dinosaur Rock Flatirons Central · Flatirons · 6,347 ft · sandstone Position on wall known
  • 15 North Face 5.6
    ★ 3.5 · 382 Trad R Maiden, The Flatirons South · Flatirons · 7,408 ft · sandstone Position on wall known
  • 2 Bar None 5.9-
    ★ 2.1 · 378 Sport Der Zerkle Flatirons Central · Flatirons · 6,347 ft · sandstone Position on wall known
  • 9 Absolution (submitted as Hot if You're Not aka The Brown Eye Wall) 5.11b
    ★ 2.6 · 360 Sport Der Zerkle Flatirons Central · Flatirons · 6,347 ft · sandstone Position on wall known
  • 31 Undertow 5.12b
    ★ 3.7 · 342 Sport Slab, The Flatirons South · Flatirons · 7,408 ft · sandstone Position on wall known
  • 7 Wing Ding 5.9+
    ★ 2.6 · 328 SportTop rope Der Zerkle Flatirons Central · Flatirons · 6,347 ft · sandstone Position on wall known
  • 3 Feeling Lucky 5.10a
    ★ 2.3 · 326 Sport Der Zerkle Flatirons Central · Flatirons · 6,347 ft · sandstone Position on wall known
  • 8 Patience Face 5.12a
    ★ 3.5 · 302 SportTop rope Dinosaur Rock Flatirons Central · Flatirons · 6,347 ft · sandstone Position on wall known
  • 2 East Face Left 5.5
    ★ 3.4 · 246 Trad Third Flatiron Flatirons North · Flatirons · 7,158 ft · sandstone Position on wall known
  • 21 Stairway to Heaven 5.3
    ★ 2.8 · 240 Trad Ridge 1 aka Stairway to Heaven Flatirons North · Flatirons · 7,158 ft · sandstone Position on wall known
  • 11 East Ridge 5.10c
    ★ 3.6 · 234 Trad Maiden, The Flatirons South · Flatirons · 7,408 ft · sandstone Position on wall known
  • 2 East Ridge 5.3
    ★ 2.9 · 232 Trad R Spy, The Flatirons North · Flatirons · 7,158 ft · sandstone Position on wall known
  • 10 North Face 5.6
    ★ 3.1 · 230 Trad Matron, The Flatirons South · Flatirons · 7,408 ft · sandstone Position on wall known
  • 10 Ultrasaurus 5.13a
    ★ 3.9 · 226 Sport Dinosaur Rock Flatirons Central · Flatirons · 6,347 ft · sandstone Position on wall known
  • 9 Milk Bone 5.13a
    ★ 3.9 · 216 Sport Dinosaur Rock Flatirons Central · Flatirons · 6,347 ft · sandstone Position on wall known