# Yosemite Decimal System

> difficulty rating system for rock climbing routes

**Wikidata**: [Q8055930](https://www.wikidata.org/wiki/Q8055930)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Yosemite_Decimal_System)  
**Source**: https://4ort.xyz/entity/yosemite-decimal-system


## References

1. Freebase Data Dumps. 2013
2. Quora