The Ulster Tower, located in Thiepval, France, is Northern Ireland's National War Memorial.

The memorial was officially opened on 19 November 1921 and is a very close copy of Helen's Tower which stands in the grounds of the Clandeboye Estate, near Bangor, County Down, Northern Ireland.

The Tower (plus a small cafe nearby) is staffed by members of the Somme Association, which is based in Belfast.

The Schwaben Redoubt was a little to the north-east of where the tower stands, and was a triangle of trenches with a frontage of 300 yards, a fearsome strongpoint with commanding views.

At the entrance to the tower is a plaque commemorating the names of the nine men of the Division who won the Victoria Cross during the Somme.