This July, I’ll be doing a five-day, 50-mile hike on Oregon’s Pacific Crest Trail. I need to purchase a good water filter for the trip—one that’s very reliable in removing giardia and crypto, and ...

When walking in the woods, you’re only as good as your water source. Being a novice backpacker with a handful of trips under my belt, I’m still amazed by the concept of a backcountry water filter, ...

New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. I like MSR’s ...

No one these days thinks much about potable water in the field. When I was in Iraq in 04-05 we had a blivet farm on-site with 250,000 gallons of fresh water on hand, not to mention pallets of bottled ...