Since the Yosemite Decimal System was developed at Tahquitz it is no coincidence that the first climb to be rated 5.9 , Open Book , is also located at Tahquitz .
Open Book is a technical rock climbing route at Tahquitz Peak , CA .
Since the Yosemite Decimal System was developed at Tahquitz Peak it is no coincidence that the first climb to be rated 5.9 , Open Book , is also located at Tahquitz Peak .
Open Book is a technical rock climbing route at Tahquitz Peak , CA .