Blackmont

Blackmont is a castle in Game of Thrones. It is a holdfast in Dorne, the region controlled by House Martell of Sunspear. The castle is located in the far west of Dorne near the border with the Reach. It is north of Starfall and east of Skyreach.

In the books
In the Song of Ice and Fire novels Blackmont is the seat of House Blackmont. Its location is the same.