3 boulders on 1 wall, V1–V4. In New York. When the rock grips hour by hour, topos and people to climb with, in the app.
From V1 to V4. Half are between V1 and V4.
Each climb counts at its grade; ungraded ones are left out. In the app you can switch to French, UIAA, British or Font grades.
Mostly west-facing: morning shade, afternoon sun.
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