South Fork Merced River

The South Fork Merced River is the largest tributary of the Merced River. Most of the river flows within Yosemite National Park in the Sierra Nevada of California. The river is 43 miles (69 km) long, and its drainage basin covers about 240 square miles (620 km2), of which 109 square miles (280 km2) are in the national park. The average flow at the mouth is 356 cubic feet per second (10.1 m3/s).
Originating at about 10,600 feet (3,200 m) on the south flank of Triple Divide Peak, the South Fork Merced River drains the southwestern slopes of Triple Divide Peak and the west facing slopes of Gal...