I have considered making a DIY ultra-light tarp. It would be for solo use and mostly A-frame configuration. I have a 9' x 9' (3m x 3m) tarp and it is way too big for solo so it weighs more than need be. I have an 8 x 10 foot nylon tarp, but that is an odd size. So to protect from rain, what size can I get by with? I probably would not have a bivy bag unless I was up high or in snow.
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Jim M