Yosemite’s Water: It’s Beautiful but Very Dangerous

  • Don’t underestimate the power and danger of the Merced River and the many smaller rivers and creeks in the area. Please keep the following in mind:

  • Stay clear from streams and riverbanks and avoid rock hopping. Rocks near the water are slippery and extremely dangerous.
  • Supervise children at all times around all water.
  • If you must cross streams, choose your routes carefully and use extreme caution.
  • Avoid hypothermia. Melted snow water is cold and can drain body energy in seconds.
  • Avoid prolonged contact with cold water.
  • Rafting & Boating are prohibited during high water periods. The entire length of the Merced River is closed to all flotation devices whenever the river gauge at Sentinel Bridge reads 7 feet or higher. For other seasonal rafting and boating restrictions, contact a Yosemite Park Ranger.

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