The Grandfather Tree was an arakhor, an elder form of treant, which appeared as a monstrously large, gnarled oak tree located deep in the heart of the High Forest. Four smaller oak trees marked the corners of the tree's roots, along with a few rotted tree stumps, elven works, and totems of the Blue Bear tribe. This arakhor was summoned in −12,500 DR by the Elves of Aryvandaar to guard the site, after they discovered the Hall of Mists, which now lay under its roots..