...Best spots to get water other than trail camp?
Last spot to get water on switchbacks?
How much need to get to summit and back to last water?
Any of the streams (beware of WAG bags in the vicinity of obtaining water). I am not kidding!
Switchback 23 (yes, you may have to count them but listen for the percolating sound. The headwaters of Lone Pine Creek!
You may need 2 liters. Physiology and fitness varies.