There are also groups on Facebook such as Eryri Wen who are campaigning to protect names of the Eryri terrain including the galleries in the Dinorwig slate quarry.
Mae yna grwpiau hefyd ar Facebook fel Eryri Wen sy’n ymgyrchu i ddiogelu enwau ar lethrau mynyddoedd Eryri ac enwau ponciau ar chwarel lechi Dinorwig.