Castles in Gwynedd

We list 5 castles in Gwynedd and 2 are free to enter and 4 allow dogs, at least in the grounds .

Every site checked between 13 Oct 2026 and 14 Oct 2026

Quick guide to castles in Gwynedd

Adult entry runs from £8.20 to £14.90, and 2 castles are free to enter. They are run by Cadw (5). 1 welcomes dogs inside and 3 allow them in the grounds only. 2 have a café on site.

Free to enter 2
Dolbadarn Castle , Castell y Bere
Dogs welcome inside 1
Harlech Castle
Dogs welcome in the grounds 3
Dolbadarn Castle , Criccieth Castle , Castell y Bere
With a café 2
Caernarfon Castle , Harlech Castle
Ruins to explore 2
Dolbadarn Castle , Castell y Bere

Castles you can visit

5 of 5 match

Elsewhere nearby

Castle guides