Obvious: Your camera better be easily accessible if you plan on using it. Not obvious: The most comfortable, safest method for keeping it ready to fire. Here’s how two pros handle different conditions.
“On mountaineering trips, a bulky camera swinging around from a strap can be annoying and even dangerous. I use the TopLoader Pro 70 AW II from LowePro, which sits on my hip via a strap or attaches to my hipbelt.” –Michael Hanson