Moat Cailin

Three crumbling towers commanding the causeway through the swamps of the Neck ÔÇö the ancient lock on the door to the North.

The fuller tale

The ancient, crumbling lock on the door to the North does its one job through the Dance without ever being tested ÔÇö nobody threatens the North by land during the civil war, and Moat CailinÔÇÖs three broken towers stand ready for an invasion that, this once, never comes up the causeway at all.

The fallen of this place ÔÇö if any, they are named here. Spoilers.

No death the chronicle records has come to this ground ÔÇö or none the maesters have set down.