It was cool days and cold nights when we arrived two days ago, but that has been replaced with hot days and cool nights. So, Twig and I used the morning to take an ambling walk around what is called Cave Loop, probably three miles or so. Most of the trails will be closed for another couple of weeks so we walk along roadways that aren’t heavily driven. I was perplexed at the continued closures, but a Ranger made sense of it—vegetative cover is slowly returning and since no one sticks slavishly to a trail they keep them closed to protect young grasses, forbs, and shrubs slowly making their return (against the odds, I imagine, since it’s so...

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