Here's another take, with more detail from The Australian.

(Measurements are in meters - if you are not bimetric, just multiply by 3 for close enough).

"The allure of the park's treacherous features combined with a population of tourists more accustomed to Disneyland than the great outdoors can contribute to a false sense of security.

"A lot of people who visit Yosemite aren't necessarily familiar with nature," said park spokeswoman Kari Cobb.
"


Verum audaces non gerunt indusia alba. - Ipsi dixit MCMLXXII