Acorn Hall

Acorn Hall is a castle in Game of Thrones. It is in the Riverlands, the region controlled by House Tully of Riverrun. The castle is located south east of Riverrun, near the hill High Heart.

In the books
In the Song of Ice and Fire novels Acorn Hall is the seat of House Smallwood and is an oaken keep surrounded by stone curtain walls. Its location is the same.