AAA Editor Notes
Yosemite Valley is 27 mi. n. on SR 41 and is also accessible from SRs 120 and 140. The canyon walls on either side of the valley, which is 7 miles long and averages about three-quarters of a mile in width, rise to 3,200 feet. Immense precipices and lofty waterfalls (some seasonal) are impressive natural features.
Upper Yosemite Fall drops 1,430 feet in one fall, a height equal to nine Niagaras. Lower Yosemite Fall drops 320 feet. Illilouette Fall drops 370 feet; Nevada Fall, 594 feet; and Ribbon Fall, 1,612 feet. The falls are at their fullest in May and June while winter snows melt. Fairly abundant up to mid-July, many practically disappear for the balance of the summer, then reappear with the first autumn storm and run lightly during winter.
The valley's geological landmarks—Three Brothers, El Capitan, Cathedral Spires, North Dome and Half Dome—are as celebrated as the falls.