If you are thinking about carrying out an investigation on a scheduled monument, it is best to contact Cadw to help you plan the best way to do it.
Os ydych chi’n ystyried cynnal ymchwiliad i’r heneb gofrestredig, byddai’n well cysylltu â Cadw i’ch helpu i gynllunio’r ffordd orau o wneud hynny.