NPRN85815
Cyfeirnod MapSO21SE
Cyfeirnod GridSO2580010550
Awdurdod Unedol (Lleol)Torfaen
Hen SirSir Fynwy
CymunedBlaenavon
Math O SafleSAFLE GWEITHIO HAEARNFAEN
CyfnodÔl-Ganoloesol
DisgrifiadA possible hushing channel up to 20m wide and 10m deep in places, the result of works to expose ironstone seams. A small reservoir lies at the upper end. Type: Hush
SO25801055-SO25791029.
1999.03.08/RCAHMW/BAM
2. Large deep channel, as above, up to 20m high and orientated N-S across gradient. Steep bank on W side, shallower on E side. Heather-covered, channel in base but mainly dry.
H&H 2001