L:
V:

Gwyn Arms Rising


NGR: SN 84518 16108
198 m.asl

Powys , Northern Outcrop - Central (Penwyllt to Penderyn)
 map using leaflet map:
Rising
Access Located in the river bank on the river between Pwll Coediog and the ford near Craig-y-Nos Castle grounds
Description
History Mapped on 6"OS map [e.g.4th ed.]
Hydrology Dye test connected rising with sink in the Nant Byfre in just over 15 hours. Tests
Conservation
Gallery

Gary Evans
2020
Survey
References
Cave Sump Index, South Wales. M.Davies. 1966
SWCC Newsletter 16, p.5, D.W.Jenkins, Fluorescein Test
SWCC Newsletter 16, p.10, Roger Smith, "a part of the Byfre sinks somewhere in the region of the place where the railway crosses it and rises again a short distance below Glan Haffes house"
SWCC Newsletter 51, Oct. 51, p.9 - Details of Dye Test in nl.16.
Catalogue of Speleological Sites...between...A4067...Pant Mawr Moor, Gary Evans (2021),p.150
Search for further records Browse registry map
Cambrian Cave Registry entry 299
 © Caving Wales ⓗ Ogofa Cymru