It could be because Yogi's guide no longer offers information on water caches, but I'm having trouble getting my mind around how hikers with UL packs manage the water situation on parts of the PCT in Southern California. It seems to me that if a hiker is NOT relying on any water caches (which seems prudent), there are many places where 6 or even 8 liters of water might be necessary leaving a water source. If you couple this with a segment like Tehachapi to Kennedy Meadows that might require 6-7 days of food it is easy to see how consumables alone could approach 25-30 pounds! When I add this figure to my current base weight of slightly under 15 pounds, I'm looking at total possible weight of 40-45 pounds, in theory, although probably for short stretches. That's well above what my ULA Circuit can reasonably handle, more than I've ever carried, and the problem would seem to be true for almost all other UL packs. This has me thinking about actually adding 10 ounces or so in base weight to move to the ULA Catalyst which has a better chance of standing up under the loads, probably keeping the Catalyst through the Sierras and then switching back to the Circuit around Lake Tahoe. I feel that I could offset this 10 ounces elsewhere in my base weight (although I could do the same with the Circuit, so that's really a separate move).
Now I realize that water caches WILL be available in certain areas and since I'm starting before kick off, my GUESS is that I will likely be able to take advantage of caches, but is it prudent to rely on them? Would certain risk mitigation strategies such as night hiking, if needed, make it more responsible to rely on caches since then it would be possible to hike in cooler conditions to the next water source if a cache is dry?
I had the ULA Catalyst prior to the Circuit and definitely prefer the way the Circuit feels but the Catalyst wasn't bad either, at least on the few occasions I used it prior to selling it.