Yosemite Decimal System

GPTKB entity

Statements (75)
Predicate Object
gptkbp:instanceOf climbing grade system
gptkbp:abbreviation gptkb:YDS
gptkbp:Class_1Description walking on a trail
gptkbp:Class_2Description simple scrambling
gptkbp:Class_3Description scrambling with hand use
gptkbp:Class_4Description simple climbing, possible rope use
gptkbp:Class_5.10+Description increasingly difficult technical climbing
gptkbp:Class_5Description technical free climbing, rope required
gptkbp:Class_5Range 5.0 to 5.15
gptkbp:Class_5SubdividedBy decimal grades (e.g., 5.7, 5.10)
gptkbp:developedBy gptkb:Sierra_Club
gptkbp:hasAidRating gptkb:A3
gptkb:A5
gptkb:A4
gptkb:A2
A1
A0
gptkbp:hasComponent aid rating
difficulty rating
protection rating
gptkbp:hasProtectionRating G
R
PG
X
gptkbp:hasSubgrade 5.11a
5.13b
5.10a
5.10b
5.10c
5.10d
5.11b
5.11c
5.11d
5.12a
5.12b
5.12c
5.12d
5.13a
5.13c
5.13d
5.14a
5.14b
5.14c
5.14d
5.15a
5.15b
5.15c
5.15d
https://www.w3.org/2000/01/rdf-schema#label Yosemite Decimal System
gptkbp:influenced gptkb:Australian_climbing_grades
Brazilian climbing grades
South African climbing grades
gptkbp:influencedBy Sierra Club rating system
gptkbp:introducedIn 1950s
gptkbp:mayInclude Class 1
Class 3
Class 2
Class 4
Class 5
gptkbp:namedAfter gptkb:Yosemite_National_Park
gptkbp:notableFor widespread use in North America
gptkbp:originatedIn gptkb:United_States
gptkbp:purpose assess risk
describe technical difficulty
guide climbers
gptkbp:relatedTo gptkb:French_grading_system
gptkb:British_grading_system
gptkb:Hueco_scale
gptkb:UIAA_grading_system
gptkb:V-scale
gptkbp:usedFor hiking
rock climbing
gptkbp:usedIn gptkb:North_America
gptkbp:bfsParent gptkb:El_Capitan
gptkbp:bfsLayer 5