Thanks for the heads up. My friend told me he was hyper-ventillating when he got to the top of one of the steeper hikes. He had to jump in the pool of water to cool off.

Quote Originally Posted by Paul Kierstead View Post
I visited Zion in June. I think even in October, I would try very very hard to make a camel back (and a large one) part of the kit. I easily drank 4 liters on a single hike.