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Ffynnon Sion Sieffre, Blaen Sirhowy Resurgences


NGR: SO 12650 11880
355 m.asl

Blaenau Gwent , Northern Outcrop - East (Morlais to Abergavenny)
 map using leaflet map:
Rising
Access Resurgence in fenced off Water Authority compound North of Shon Sheffrey Reservoir near Trefil village.
Description Large resurgence feeding the reservoir.
History
Hydrology Traced from Ap Robert (Trefi Ddu) to NW and Crescent Cave (Llangynidr) to NE Tests
Conservation
Gallery

Brendan Marris
2016
Survey
References
SVCC: Trefil Caves in Brief, 1974
Search for further records Browse registry map
Cambrian Cave Registry entry 777
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