Castell Dolwyddelan
Open to visitorsa Cadw site, free to enter — check opening times before you go
Substantial ruinsruined, but plenty survives above ground
Castell Dolwyddelan is a medieval castle in Conwy. The Albion Guide charts three castles in the county; this is one of them. It is looked after by Cadw. It sits inside Eryri National Park.
Roman Bridge Station is 1.3 km away to the south-west.