
I used to live in California’s Central Valley, and as a result could hop up to Yosemite or Kings Canyon/Sequoia national parks a dozen or so times a year. Aside from its giant trees, Sequoia has a particularly august feature, Moro Rock, a gigantic chunk of granite with stairs—lots of stairs—that allow you to reach an amazing vista point looking out over the Southern Sierra Nevada and into the Central Valley. Except that the air quality usually was so bad that in addition to breathing lots of dreck as you huffed and puffed the steps, when you did make the top it was next to impossible ... Read More

