In the zone called "Zul'Drak" there is a quest, obtainable at 75, called"Wooley Justice".
It is unlocked by finishing "Reap what you sow"
Which is unlocked by finishing this chain-
One you have the quest, make your way to the Alter of Mam'toth (72, 43) and proceed to use your Medallion of Mam'toth to control a mammoth. Now you can begin.
You just have one attack. "Trample" which will do 3-5k damage, and has a very short cooldown. (Around 1.5 seconds). The mobs that you must kill will award XP, even while you're mounted! This is especially helpful for people leveling as Prot and Resto/Holy.
If your mammoth dies,(Which rarely happens) all you need to do is get a new one!
I was pulling in about 2k XP per kill, rested.
Have fun!
