I just got started in backpacking and am only doing day hikes for now. I with a Katana (spelling that wrong I know) water bottle with a straw filter in it. Places I hike have plenty of water so if I run low I just drip it into the clear stream and then sip thru the straw.
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Lost? Ain't never been lost! Fearsum confused for 2 or 3 months but never lost.