Ground floor access is through a wooden doorway onto flag stone flooring; it is possible to access most of the ground floor with walking aids and with the use of a wheelchair.
Gall ymwelwyr fynd o amgylch yr heneb gan ddilyn llwybrau graean ac mae grisiau allanol yn cynnig mynediad i'r llwybr sy’n mynd ar hyd y wal uchaf.