Here's what can happen if you don't take care of your feet.

These blisters formed on a 50-mile segment on the PCT from Sisters Mirror Lake to the Santiam Pass. Photo from Richard Fiala.

Leslie hiked 3 miles in under 46 minutes with 35lbs on her back. Her boots were too big and her feet were sweating. "Lesson learned," she says.

These next two photos were sent in by Phillip Cole

Got a picture of a special blister? You know the one that was the size of a grapefruit?

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