I usually can stay warm if I keep my metabolism up. It is really nice to have a bottle of whisky or tequila around also.

In response to overrocked's reply: 1- Does anybody have a picture or link to a pepsi can stove 2- Try this coffee. At home put coffee in normal coffee filter, staple it to make a bag or pouch. At camp heat water, put water in Nalgene bottle, insert coffee bag, wrap bottle in something to keep in he...

In response to Sanford's reply: The hermit trail is pretty rough to do by yourself. Try a walk-up at the south rim. Or call to see about doing havasu. There aren't many people there this time of year and it's beautiful. Also check out buckskin canyon and the upper Paria through the BLM.