Mountain Peaks – UIAA difficulty scale

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GRADE UIAA LOWER LEVEL (-) UPPER (+) GRADE UIAA READING DESCRIPTION OF UIAA GRADE
I
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First Grade It is the easiest kind of scramble. Frequent use of hands is required to support balance and hand and foot-holds must be trusted
II
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Second Grade Here real climbing begins, that requires the movement of a limb at a time and a proper setting of the movements. Holds and supports are still abundant
III
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Third Grade The rock structure, already more steep or even vertical, offers holds and supports the rarest and can already require the use of force. Typically the passages are not solved yet in an obliged manner
IV
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Fourth Grade Holds and supports become more rare and / or small. It requires a good climbing technique applied to the various rock structures (chimneys, crevices, corners, etc.) as well as a certain degree of specific training
V
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Fifth Grade Holds and supports are very rare and small. The climbing becomes delicate (slabs, etc..) or hard (by opposition or interlocking in slits and chimneys). Usually requires the prior examination of the passage
VI
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Sixth Grade Handholds and/or supports are small and arranged so as to require a particular combination of movements well studied. The rocky structure may force you to climb very delicate or very hard where overhanging. Requires special training and considerable strength in the arms and hands
VII
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Seventh Grade There are handholds and / or supports very small and widely spaced. It requires a sophisticated training with particular development of finger strength, skill in balancing and grip techniques
VII,IX, X, XI …
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Eighth, ninth, tenth eleventh, etc. … From VIII the difficulties increase to the current extreme level (XI c / a)