Theres a GREAT number of guides to get ontop of certain places and places to go in ironforge but this is the easy one. Most guides have you runing all over but this ones SUPER easy and in a fun location for killing alliance.:wave:
Jump up on the Rim of the pillar then jump up on the ledge on the left of the picture
Get Right in the corner. Jump Your way as far as you can get.Once you get as far as you can on Foot mount up and keep jumping up.
Soon you will be as high as you can get. Mount up and turn around and Jump backwards.If you make no progress after a few seconds Jump down and try again. I used the mammoth for this not sure if it works for other mounts i tried with horsemen reins but it didnt work. The mount i used is "black war mammoth" other mammoths and mounts might work but im not sure.
Edit: I forgot to add this you can Jump forward Also but you must have your back facing the pillar. Also You can jump across onto a building although it is somewhat difficult.
Here is the Building you can jump too. Although its somewhat hard.
Goodluck