Horn Hill

Horn Hill is a castle in the Reach, and the seat of House Tarly. It is located south of Highgarden, and northeast of Oldtown.

The castle is surrounded with large woodlands teeming with game.

Background
According to legend, the castle was built on Horn Hill by the brothers Harlon the Hunter and Herndon of the Horn.[5] Prior to the acquisition of the western marches by the Kings of the Reach, the castle was in a kingdom which extended from Horn Hill to Nightsong.

King Aegon I Targaryen visited Horn Hill during his reign.

The Vulture King led one of his Dornish hosts to attack Nightsong and Horn Hill, but he was defeated in the Vulture Hunt.

House Tarly hosted King Jaehaerys I Targaryen and Queen Alysanne Targaryen at Horn Hill in 54 AC.

Season 1
Samwell Tarly