YDS
E942879
YDS is a numerical grading system used primarily in North America to rate the difficulty and technical challenge of hiking, scrambling, and rock climbing routes.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Yosemite Decimal System | 0 |
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
climbing grade system
ⓘ
hiking grade system ⓘ numerical grading system ⓘ scrambling grade system ⓘ |
| abbreviation | YDS NERFINISHED ⓘ |
| appliesTo |
bouldery pitches within multi-pitch routes
ⓘ
sport climbing ⓘ traditional climbing ⓘ |
| class1Description | easy hiking on a trail ⓘ |
| class2Description | simple scrambling, possible use of hands ⓘ |
| class3Description | scrambling with hands, exposure, a fall could be serious ⓘ |
| class4Description | simple climbing, often with rope recommended, a fall could be fatal ⓘ |
| class5Description | technical free climbing with rope and protection required ⓘ |
| class5Subdivision | 5.0–5.15 difficulty scale ⓘ |
| class5Uses | technical rock climbing ⓘ |
| comparedWith |
British trad grades
ⓘ
French sport climbing grades ⓘ UIAA climbing grades NERFINISHED ⓘ |
| developedFor | Yosemite National Park climbing routes ⓘ |
| developedFrom | earlier Sierra Club grading practices ⓘ |
| hasComponent |
class rating
ⓘ
grade rating ⓘ protection rating ⓘ |
| highestClass | Class 5 ⓘ |
| includesProtectionRating |
G
GENERATED
ⓘ
PG GENERATED ⓘ PG-13 GENERATED ⓘ R GENERATED ⓘ X GENERATED ⓘ |
| influenced | North American climbing grading conventions NERFINISHED ⓘ |
| lowestClass | Class 1 ⓘ |
| measures |
route difficulty
ⓘ
technical challenge ⓘ |
| notationExample |
5.10a
ⓘ
5.9 R ⓘ Class 3 ⓘ |
| originatedIn | United States NERFINISHED ⓘ |
| primarilyUsedBy |
hikers
ⓘ
rock climbers ⓘ scramblers ⓘ |
| scaleType | open-ended difficulty scale ⓘ |
| standardIn |
Canadian climbing guidebooks
ⓘ
United States guidebooks ⓘ |
| usedFor |
hiking routes
ⓘ
rock climbing routes ⓘ scrambling routes ⓘ |
| usedIn | North America NERFINISHED ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.