A World War Two firing range situated 160m East of Disgwylfa farmhouse, on rising ground overlooking a small stream valley to the South. Located on a south facing slope the complete rectilinear enclosure measures 69.6m x 34.0m with an apsidal end to the North. There are lateral internal subdivisions with encircling track. A structure 5.8m x 3m adjoins on the East side.

It was grass covered when recorded in April 2008. Internally there were five earthwork gun emplacements, the one to the north being the biggest and best defined. Running around the inside of the bank was a level trackway.

This feature was part of Anti Tank North, built during the Second World War. According to RG Church, 1990, Sennybridge Training Area 1940-, pages 28 -31 it was built in 1942, and in order to get the range necessary for the weapons being fired, the guns were on the east side of the Garth to Upper Chapel road and the targets were on the west. The information panels related to the improved access for this part of the range state that Anti Tank North stopped being used in 1995.
J.J. Hall, Trysor, 11 May 2008