although is climbing related ill post it here since it has much to do with bivying, hydration and other fun stuff
http://www.highinfatuation.com/blog/light-is-right-sleeping-eating-and-drinking/
http://www.highinfatuation.com/blog/light-is-right-tips-for-climbing-long-routes/
http://www.highinfatuation.com/blog/light-is-right-gear-for-long-routes/
;)

