Aelinthaldaar was the capital of Illefarn, an ancient elven civilization in northwest Faerûn. The city was located where Waterdeep later stood.
The elves destroyed their own city in -1100 DR when they retreated to Evermeet, leaving very little behind.
A magical effect that prevented the plateau from collapsing, regardless of activities below the surface, remained in effect. Crypts remained intact below the Pantheon Temple of the Seldarine in Waterdeep.
- ↑ 1.0 1.1 Eric L. Boyd (June 2005). City of Splendors: Waterdeep, p. 6. Wizards of the Coast. ISBN 0-7869-3693-2.