Furthermore, most of our sites will continue to close at lunchtime for a deep clean, with morning visitors asked to complete their visit by 1pm.
Yn ychwanegol, bydd y rhan fwyaf o'n safleoedd yn parhau i gau amser cinio am lanhad trylwyr, a gofynnir i ymwelwyr y bore orffen eu hymweliad erbyn 1yh.