Grading a climb

Routes that are climbed are often given grades. The grades attempt to assess various aspects of the route, the most important aspect being overall difficulty.

[Aid climbs]? use the grades A1 to A5 depending on the steepness of the terrain, the reliability of the gear placements, exposure, and the general experience necessary.

For [free climbing]?, there are many different grading systems mostly varying according to country:

The French grading system goes from 2 (easy) to 9 (very difficult). Usually a letter (a, b or c) augments the number. Examples: 2, 4, 4b, 6a, 7c. An optional + or - may be used to further differentiate difficulty. Many countries in Europe use a system with similar grades but not necessarilly matching difficulties!

In the USA and other parts of America the [Yosemite Decimal System]? is used. The Grade 5 covers climbs (less then 5 is easier terrain such as scrambling and walking). Grade 5 is split into (originally 10) divisions: 5.1 5.2 ... 5.9 5.10a 5.10b ... 5.11a ... and so on. Symbols such as R and X are used to mark other features: R means runout, some protection placements may be very far apart. X means a chop route, could be extremely dangerous.

The British grading system has two parts: the Adjectival grade and the Technical grade. The Adjectival Grade attempts to assess the overall difficultly of the climb taking into account a number of factors: strenuousness, exposure, protection, length, rock quality. It has the following scale:

• Easy (sometimes abbreviated E but this can get confused with Extremely Severe)
• Moderate (M)
• Difficult (D, or 'Diff')
• Very Difficult (VD, or 'VDiff')
• Severe (S)
• Hard Severe(HS)
• Very Severe (VS)
• Hard Very Severe (HVS)
• Extremely Severe (E)

The Extremely Severe grade is open ended and starts at E1 and goes up E2 E3 ... currently up to about E10 (Extremely Severe was formerly abbreviated XS).

Some regions and/or guidebooks use a few more finely distinguised grades: Mild Very Severe (slightly easier than VS), Mild Severe, Hard Very Difficult (slightly harder than VD), Hard Difficult (slightly harder than D). The Technical Grade attempts to assess only the technical climbing difficulty of the hardest move or moves on the route without regard to the consequences of failing to do the move. Notionally technical grades start at 1a and go 1b 1c 2a 2b 2c ..., but you are unlikely to see any mention of them below 4a.

Usually the technical grade increases with the adjectival grade but hard technical move very near the ground (that is notionally safe) may not raise the standard of the adjectival grade very much. VS 4c might be a typical grade for a route. VS 4a would usually indicate very poor protection (easy moves, but no gear), VS 5b would usually indicate the crux move was the first one or very very well protected. On multipitch routes it is usual to give the overall climb an adjectival grade and each pitch a separate technical grade (such as HS 4b, 4a).

UIAA? grading system.