12 boulders on 1 wall, V0–V4. In Massachusetts. When the rock grips hour by hour, topos and people to climb with, in the app.
From V0 to V4. Half are between V0+ 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.
Route names, topos and approaches are in the app.