Edit: Looks like I posted the info below a few months late!
But it still looks like something worth reading.
Here's an interesting intro to a book. He got from Torrance to Lancaster by bus and train, then hitched rides to Death Valley. It doesn't say how he got from Death Valley to Mt Whitney, but sounds like an interesting read.
Metroactive: Features & Columns Daniel Arnold: Salt to Summit
"Getting pinched between the salt and the sun there feels like hanging out in a jerking oven. It's the apocalypse as written by a banana slug.