{|class="wikitable sortable" width="100%"
!width="12%"|Navn
!class="unsortable" width="100"|Image
!width="10%"|Type
!width="8%" |Dato
!width=”10%”|Stand
!width=”10%”|Ejerskab/adgang
!class=”unsortable”|Noter
|-
|[[Bryn Bras Castle]] 
|[[Fil:The_front_of_Castell_Bryn_Bras_-_geograph.org.uk_-_321216.jpg|100px|Bryn Bras castle]]
|
|1800-tallet 
|
|
|
|-
|[[Caernarfon Castle]] 
|[[Fil:Caernarfon_Castle_1994.jpg|100px|Caernarfon Castle, western view at low tide]]
|
|1200-tallet 
|
|Cadw
|
|-
|[[Carndochan Castle]] 
|[[Fil:Geograph-1572703-Castell-Carndochan.jpg|100px|Castell Carndochan, nær Rhosdylluan, Gwynedd, Wales.]]
|
|1200-tallet 
|
|
|
|-
|[[Castell y Bere]] 
|[[Fil:Castel_y_Bere_site.jpg|100px|View over Castell y Bere]]
|
|1200-tallet 
|
|Cadw
|
|-
|[[Criccieth Castle]] 
|[[Fil:Criccieth_Castle_-_geograph.org.uk_-_597029.jpg|100px|Criccieth Castle]]
|
|1200-tallet 
|
|Cadw
|
|-
|[[Dinas Emrys]] 
|[[Fil:DinasEmrys1.JPG|100px|A view up the hillock, covered with vegetation.]]
|
|Keep fra 1100-tallet.
|
|
|
|-
|[[Dolbadarn Castle]] 
|[[Fil:Dolbadarn.jpg|100px|Dolbadarn Castle]]
|
|1200-tallet 
|
|Cadw
|
|-
|[[Harlech Castle]] 
|[[Fil:Harlech_Castle_-_Cadw_photograph.jpg|100px|Harlech Castle]]
|
|1200-tallet 
|
|Cadw
|
|-
|[[Penrhyn Castle]] 
|[[Fil:Penrhyn_Castle.jpg|100px|Penrhyn Castle]]
|
|1800-tallet 
|
|[[National Trust for Places of Historic Interest eller Natural Beauty|National Trust]]
|
|}
Bygninger,_konstruktioner_og_anlæg