Yosemite National Park Hiking: Waterfalls, Streams and Rivers

"Beautiful but deadly."
(see video below)
Yosemite is one of the most beautiful places in the world. But it is also one of the most dangerous with the flowing streams, waterfalls, and rivers.
Every year, there are reported deaths due to mistakes by inexperienced and experienced hikers in Yosemite.
The men in this video considered themselves experienced hikers. They said they had some pretty intense training in the past.
"We thought the water was calm, and we went in to cool it off because it was hot. The rocks were slick….and then….”I thought I heard him say, whoa, buddy”….
Always be aware of the power of the cold, swift runoff water that fills the streams, ri’s streams, rivers, and waterfalls. Even if a creek appears to be empty, be careful as a summer thunderstorm can re-fill an empty rock bed stream with a strong current.