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.
Originally Posted by Paul Kierstead
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.