Climbing Wall Route Guide
Sub-Grade (Yosemite Decimal System)
The sub-grade ranges from 1 to a theoretically infinite number (today the highest number is 15). The number is increased when a 'harder' climb is developed.
- 5.1-5.6 = Easy
- 5.7-5.9 = Intermediate
- 5.10-5.11 = Difficult
- 5.12-5.13 = Very Difficult
- 5.14-5.15 = Expert