Y gwahaniaeth rhwng diwygiadau o "Ogof"

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== Ogofâu Cymru ==
Ceir rhestr lawn o ogofâu yng Nghymru ar wefan [http://www.capra.group.shef.ac.uk/2/wales.html Capra] {{Webarchive|url=https://web.archive.org/web/20101026185233/http://www.capra.group.shef.ac.uk/2/wales.html |date=2010-10-26 }}. Dyma restr o'r ogofâu hynny sydd wedi'u cofrestru gan [[Cadw]]:
*[[Ogof Arian]], [[Moelfre]], Ynys Mon SH485881
*[[Ogof Pant-y-Wennol]], [[Llandudno]], Conwy. SH808816