This fish trap is visible on modern oblique and vertical aerial photographs. It comprises two conjoined 'L' shapes, at right angles to one another (consisting of four arms). The first (northern-most) arm measures approximately 30m and points north-west. The second arm measures approximately 90m and points south-west. The third arm measures approximately 30m and points south-east. The fourth arm measures some 20m and points north-east. The trap was identified by RCAHMW staff during aerial recconnaisance in 2009.

Sources include:
National Assembly of Wales AP 2009

Maritme officer, RCAHMW, April 2012