What mountain summit has the world’s longest view?

I’ve recently been reading The Walker’s Guide to Outdoor Clues & Signs by the unusually named Tristan Gooley. It’s an excellent book that will cause you to look at nature in a different light (to paraphrase climbing writer Jim Perrin on the back cover, every outdoor lover should hold at least one Gooley in their library).

For example, if you’ve ever wondered why rainbows always seem to precede rain showers in the morning but follow them in the afternoon, there’s a simple explanation (if you live...