Roedd hi am nodi'r garreg filltir bwysig hon yn ei bywyd drwy ddringo'r mynydd uchaf yng Nghymru a Lloegr i godi ymwybyddiaeth o bwysigrwydd rhoi organau, ac i annog pawb i ystyried gwneud hynny a dweud wrth eraill am eu penderfyniad i achub bywyd rhywun arall.
She wanted to mark this important milestone in her life by climbing the highest peak in Wales and England to raise awareness of the importance of organ donation, and to encourage everyone to think about and share their decision on giving the gift of life.