Well the grand canyon has a small town right next to the south rim, and its own airport. But they still have to rescue several hundred people every summer, even

Well the grand canyon has a small town right next to the south rim, and its own airport. But they still have to rescue several hundred people every summer, even with clean water stations every couple of miles on the most popular trails. On my personal list of "things you should never underestimate", nature and human ignorance are both near the top, just underneath human cruelty. Such is life.