This video shows you a DIY method to waterproof topographic trail maps for hiking and backpacking. A topographic map is useless if you can't read it; it is essential that you waterproof your cards. You can purchase commercial waterproof maps or use services such as CalTopo+Mountyn and MyTopo to purchase custom waterproof maps. If you print your own custom cards, I'll show you two DIY methods to waterproof your cards and keep them from getting wet. The first method of waterproofing cards is to simply place them in a ziplock bag. The other method looks nicer and takes longer to laminate the card with contact paper.

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