Approximate comparision table of climbing and mountainering routes grading systems

Russian	French	UIAA
1a, 1b	F – PD inf	I - II
2a, 2b	PD	II - III
3a	PD – AD	III
3b	AD – D	III - IV
4a, 4b	D – TD	IV - V
5a, 5b	TD – ED inf	VI
6	ED	VI

Note. In Russian grading system of both climbing and pass-hopping routes, the single obstacle has the grade calling "Category of Difficulty" (CD, "Kategoriya Trudnosti"). The entire route has the grade calling "Category of Complexity" (CC, "Kategoriya Slozhnosty"). The figures as of above are concerned the latter.

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