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Climbing › United States › Colorado › Area 51 Boulder Area
// Rock climbing · Colorado

Climbing at Area 51 Boulder Area

29 boulders on 11 walls, V0–V5. In Colorado. When the rock grips hour by hour, topos and people to climb with, in the app.

Boulders
29
Walls
11
Grades
V0–V5
Rock
Sandstone
Style
Bouldering
Best season (estimated)
April–June · September–October
// The grades

What grades are there?

Boulders by grade

From V0 to V5. Half are between V1 and V3.

Each climb counts at its grade; ungraded ones are left out. In the app you can switch to French, UIAA, British or Font grades.

// The walls

Sun and shade

Mostly west-facing: morning shade, afternoon sun.

North0 sectorsNortheast0 sectorsEast0 sectorsSoutheast0 sectorsSouth0 sectorsSouthwest0 sectorsWest10 sectorsNorthwest1 sector

Estimated best season: April–June · September–October. Worked out from each wall's aspect and the latitude; the app fine-tunes it with what climbers log.

Friction ScoreHow the rock grips, hour by hour and wall by wall. In the app, for every crag on the map. See it in the app →ILLUSTRATIVE EXAMPLE

// Walls

The 11 walls

ASPECT · GRADES · ROUTES
01Falls From Above BoulderW · 278° · V1–V56 boulders
02Banjo BlockW · 282° · V2–V33 boulders
03Coverup BlockW · 292° · V2–V43 boulders
04Declassified BoulderW · 282° · V1–V33 boulders
05Isosplitter StoneNW · 303° · V1–V33 boulders
06Acrophobia BoulderW · 280° · V22 boulders
07Boxcar BoulderW · 278° · V2–V42 boulders
08Dinkling BlockW · 282°2 routes
09Extraterrestrial BoulderW · 283° · V2–V32 boulders
10Tikaboo BoulderW · 277° · V0–V52 boulders
11Squat BlockW · 285° · V11 boulder

Route names, topos and approaches are in the app.

// Where it is

On the map

// Nearby

Crags nearby

// The Friction Score for every crag

Climb more. Guess less.

When the rock grips, hour by hour and wall by wall; topos, your logbook and people to climb with. In your units (°F or °C) and your grades (YDS or French). The social side is free, always.

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