All classes, no fancy tricks, working as of 1.9.4
Head to the entrance of COT in Tanaris, then head south and east to the coast. Look at the mountains over COT and look for this building with a valley headed up to it.....
http://i38.photobucket.com/albums/e127/rub...2005/COT/01.jpg
run up the valley and you will find a stone structure embedded in the mountain,
stay to the right of it, you will end up here....
http://i38.photobucket.com/albums/e127/rub...2005/COT/02.jpg
now, using the Jump-then press forward technique I described in my hyjal tut, you can slowly inch up this structure..
http://i38.photobucket.com/albums/e127/rub...2005/COT/03.jpg
http://i38.photobucket.com/albums/e127/rub...2005/COT/04.jpg
Its tricky, but the key is to make very fine adjustments to your jumping using the right mouse button,
if you face too far left or right, you will bounce and not 'catch' the ledge.
Run up the mountain to the ledge here...
http://i38.photobucket.com/albums/e127/rub...2005/COT/05.jpg
then follow the legde to this point...
http://i38.photobucket.com/albums/e127/rub...2005/COT/06.jpg
jump down, turn around....
http://i38.photobucket.com/albums/e127/rub...2005/COT/07.jpg
and jump again, head to the 'gap' (I look backwards like this...
http://i38.photobucket.com/albums/e127/rub...2005/COT/09.jpg
and fall down.... then head to the point nearest the door....
http://i38.photobucket.com/albums/e127/rub...2005/COT/10.jpg
and your next jump will land you in the caverns,