Emerald Pool

Emerald Pool is a small, shallow lake, with an area of less than one acre. It is located about 80 meters above Vernal Fall in Yosemite National Park. It is named for its deep green color, which is caused by algae living on the rocks at the bottom of the pool. In the summertime during diminished water flow, the Silver Apron is frequently used by hikers as a water slide. Swimming or wading in the Emerald Pool or entering the Silver Apron is prohibited by the National Park Service since waders or swimmers have been swept over Vernal Fall and killed, and people sliding down Silver Apron risk collision with hidden rocks at its lower end. This prohibition is clearly marked with signs.

There also is an Emerald Pools destination in California along the Yuba River. 39.3213°N 120.6558°W / 39.3213; -120.6558 The South Yuba River flows down a 60 feet waterfall into a sheer rock canyon with two pools. The walls around the first pool measure from around 30 feet to 80 feet in height with a length of around 50 metres and width of around 30 metres . The crystal-clear water is deep, 27 feet near the middle of the pool, and many people jump off the cliffs for enjoyment. A second pool nearby is nearly as large. Despite the cool water temperature it is a popular swimming spot, particularly among young adults.

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