A linear, water-filled, trench is 15m long and leads from the level opening to a spoil tip measuring 17m (NW-SE) by 12m and 2m high. The opening 2.2m wide and 1.3m high and provides entry to two adjacent tunnels following divergent paths, a 'twin-bore' level.
Visible on aerial photographs.

visited DKL/CSB 7 August 2003

Pumlumon Survey 2002