Yosemite National Park - The latest Yosemite Search and Rescue Lessons from the Field blog reminds us about the importance of choosing swimming holes wisely. Hint: Emerald Pool is not a good
![A sign prohibits swimming at the Emerald Pool above Vernal Fall on Wednesday, July 20, 2011 in Yosemite National Park in California. Three visitors reportedly died after getting swept over the waterfall A sign prohibits swimming at the Emerald Pool above Vernal Fall on Wednesday, July 20, 2011 in Yosemite National Park in California. Three visitors reportedly died after getting swept over the waterfall](https://c8.alamy.com/zooms/9/cfd5fe651c3b44ca887605efe5dfe524/2f0ckke.jpg)
A sign prohibits swimming at the Emerald Pool above Vernal Fall on Wednesday, July 20, 2011 in Yosemite National Park in California. Three visitors reportedly died after getting swept over the waterfall
![Aerial view of Vernal Fall and Emerald Pool, Yosemite National Park, Sierra Nevada mountains, California; People gathered above the waterfall or walki Stock Photo - Alamy Aerial view of Vernal Fall and Emerald Pool, Yosemite National Park, Sierra Nevada mountains, California; People gathered above the waterfall or walki Stock Photo - Alamy](https://c8.alamy.com/comp/W5BCH8/aerial-view-of-vernal-fall-and-emerald-pool-yosemite-national-park-sierra-nevada-mountains-california-people-gathered-above-the-waterfall-or-walki-W5BCH8.jpg)