Bob, great list. As an ex dirt bag rock climber I can add a few more.
I recommend bringing 4 2" foot square boards for the leveling feet.
West of Bishop heading out west Line street (168) 8 miles to
Buttermilk road, exit and drive to where you want to park, BLM land and excellent views.
North of Bishop take the turn for
Gorge road and head left at the T. Drive the paved road for a few miles then after the sharp bend in the road take the
next left. heading up you will find
numerous areas to pull off and they most are pull through or looped for turn around.
Fly Fishermen take notice: this puts you in next to the Owens river Gorge. Awesome year round fly fishing.
south of Lee Vining off of the north loop of June Lake loop (158) take the Parker Lake road around to the woods located at
Map link. there are plenty of shady spots and you can fish Parker creek when in season.
I just love the west because there are so many BLM and Nat'l Forest opportunities