I've been all the trails and places noted, and a few more. Those are some tough hikes (of course i'm 56). Also, check the wind forecast. It can blow you off the mountain!
- guadalupe peak and back down is no big deal 2.5 hours up, 1.5 hours down (you will see other folks). you hit some nice forest the last third of the trail, the camp ground doesn't provide much protection from the wind.
on these hikes, you may not see anybody
- pine top to dog canyon is pretty aggressive: you will need more than 1 gallon of water and you're gonna be very dry when you get to dog canyon - very very dry
- pine top to the bowl and back down (whether you back track or use bear canyon) you will need at least 1 gallon of water and again you will be very dry when you return
- pine top to bush mountain and then anywhere is more than one day (2 gallons of water)
- mckittrick canyon to dog canyon is doable but it is a full day and you will need a gallon of water (the other direction is easier). there will be a LOT of people until you hit the vertical (just past the grotto - i think a disappointing grotto)
- all of these trails have a lot of up and down and are a tad tougher than they appear on the maps
- devil's canyon is flat and easy but rewarding... again many people but nice stuff
after all that negativity let me add this...
go to bush moutain, get off the trial and go west until you reach the escarpment which is awesome
PLEASE let me know if my advice was misleading!!