St.Arvans Main Sink, The Rookery Sink, Limekiln Swallet
NGR: ST 5138 9682 113 m.asl
Monmouthshire
, South East Wales
map using leaflet map:
Sink
Access
The sink lies near and to the North East of a sharp left bend about halfway along the St. Arvans to Rogerstone Grange Road.
Description
The stream sinks in earth and stones at two points at the end of a 10 metre tree filled blind valley. It was reputed to drain to Well Head (ST 5013 9420)
History
Hydrology
Fluorescein test to Sump 2 in Otter Hole by UBSS in 1977