ROUTES
BOULDERS LEVEL
French
UIAA
United States
1 2 3 4 4a 5a 5b 5c 6a 6a+ 6b 6b+ 6c 6c+ 7a 7a+ 7b 7b+ 7c 7c+ 8a 8a+ 8b 8b+ 8c 8c+ 9a 9a+ 9b
I II III IV IV+ V V+ VIVI VI+ VIIVII VII+ VIIIVIII VIII+ IXIX- / IX IX IX / IX+ IX+ XX X+ XIXIXI+ XIIXII
5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10a 5.10b 5.10c 5.10d 5.11a 5.11b/c 5.11d 5.12a 5.12b 5.12c 5.12d 5.13a 5.13b 5.13c 5.13d 5.14a 5.14b 5.14c 5.14d 5.15a 5.15b
Great Britain
Austrialian
Hueco
British
V3 V3/4 V4 V4/5 V5 V5/6 V6 V7 V8 V8/9 V9 V10 V11 V12 V13 V14 V15
B3/4 B4 B4/5 B5 B5/6 B6 B7 B8 B8/9 B9 B10 B10/11 B11 B12 B13 B14 B15
beginner
E2 5c E3 5c+ E4 6a+ E5 6b E6 6b+
E7 6c+ E8 7a E9 7a+ E10 7b
19 19 / 20 20 21 21 / 22 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37
medium level
advanced
expert
super expert élite super élite