Get up early, really early - between 5 & 6. The weather will be flawless, the temperature in the 60s or 70s. Walk, hike, bike, wear yourself out.
Between 8 & 9 the sun will hit you full force and the temperature will start toward the 90s.
Have breakfast at Crossroads.
After breakfast take a nap, go to the movies, read a book, get a manicure in Yucca or 29 Palms but whatever you do, do it with the air conditioning ON or in a swimming pool with lots of waterproof sunscreen on.
Around 5 you can head up to the high altitude parts of the park - the temperature is lower and it'll take you a while to get there.
The sun doesn't go down until 8-ish so you...Read More