With the last food they had - an avocado.
Cut beautifully into the side of the mountain, 99 switchbacks make the final ascent to Trail Crest on Mt. Whitney, when you hike from the east. From there it is another 900 feet and two miles to the summit.
Alpenglow from a passing storm paints Bubbs Creek in a roseate glow for a few ephemeral minutes.
