Plas Dulas was a historic mansion in Llanddulas, Conwy, north Wales, with literary associations.

Plas Dulas stood in the Garthewin estate, as part of a large farm, Llyndir.

He knew the author Evelyn Waugh, who was a frequent visitor to Plas Dulas and wrote the book Decline and Fall while staying there in the 1920s.

Dawkins was interested in Greek plants and created Mediterranean gardens at Plas Dulas.

[1] After Dawkins' death in 1955, the house was bought by a Miss Fekete, a Hungarian and Christian missionary.