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Climbing › United States › Colorado › Narrows Blocs
// Rock climbing · Colorado

Climbing at Narrows Blocs

42 boulders on 20 walls, V0–V10. In Colorado. When the rock grips hour by hour, topos and people to climb with, in the app.

Boulders
42
Walls
20
Grades
V0–V10
Rock
Gneiss
Style
Bouldering
Best season (estimated)
March–June · September–October
// The grades

What grades are there?

Boulders by grade

From V0 to V10. Half are between V4 and V8.

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 north-facing: shade for most of the day. A summer crag; cold in winter.

North11 sectorsNortheast0 sectorsEast0 sectorsSoutheast0 sectorsSouth1 sectorSouthwest0 sectorsWest1 sectorNorthwest7 sectors

Estimated best season: March–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 20 walls

ASPECT · GRADES · ROUTES
01Hot Fire BlocN · 347° · V4–V95 boulders
02Bisher BoulderN · 339° · V7–V94 boulders
03Cobra BlocNW · 332° · V2–V64 boulders
04Black Slab BoulderN · 338° · V2–V63 boulders
05Crescent BoulderS · 199° · V6–V93 boulders
06Feather BoulderNW · 336° · V5–V73 boulders
07The LoftNW · 336° · V23 boulders
08Sport BlocNW · 337° · 5.13b · boulders V103 routes and boulders
09Log Raft BoulderN · 348° · V7–V82 boulders
10Phoenix BoulderN · 340° · V2–V72 boulders
11Boxcar BoulderNW · 329° · V61 boulder
12Bruce's BulgeN · 347° · V41 boulder
13Cornershop BlocN · 340°1 route
14Cracks BoulderN · 340°1 route
15Cross with Care BlocN · 340° · V51 boulder
16Geometry BoulderN · 342° · V41 boulder
17Karma Simulator ProjectW · 262°1 route
18Marble BoulderNW · 330° · V01 boulder
19Omaha Roof BlocN · 339° · V41 boulder
20Promised Lands BoulderNW · 330°1 route

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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