The traditional burial grounds of the Shadowmoon clan are the final resting place for countless generations of ancestors. The fallen chieftain Ner'zhul, in the depths of his depravity, has sacrificed the very soul of his clan in a desperate quest for power. Now the ancestral spirits are restless, tormented and used to fuel dark rituals that will pull all of Draenor into the void if allowed to run their course.
This article or section includes speculation, observations or opinions possibly supported by lore or by Blizzard officials. It should not be taken as representing official lore.
Given the presence of tree roots covering the Altar of Shadow in Shadowmoon Burial Grounds, and the fact you enter the instance from the east and then turn left (south) as you descend, it is possible that the Altar of Shadow is directly below Moonwillow Peak.