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The hillfort is now mostly rubble, but its walls can still be made out, including a large stone rampart on the north and east sides which reaches 3 metres at points. The entrance to the fort was through a rocky gully. The footings of a tower were discovered when the site was excavated; its stones
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The hillfort, which is situated among rocky outcrops, is ideally placed for defence and likely served as a watchtower and possibly as a signal tower. Some have speculated that it was built to alert a
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Pierce, Gwynedd O.; Roberts, Tomos (1999). "Mynydd Twr/Mynydd Tŵr".
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Nestled below Caer y Twr is a group of several enclosed huts, named
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187:, Royal Commission on the Ancient and Historical Monuments of Wales
73:, while others have suggested that it may have been a lighthouse.
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A view along the top of a section of the Caer y Twr hillfort.
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are believed to date from the 2nd to the 4th centuries.
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1068:Roman fortifications in Anglesey
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86:Holyhead Mountain Hut Circles
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908:Parliamentary constituencies
27:Hillfort in Anglesey, Wales
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114:List of hillforts in Wales
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191:Roman Remains on Anglesey
1034:53.3133278°N 4.6756417°W
389:Glan-yr-afon (Bodffordd)
42:atop the summit of the
1039:53.3133278; -4.6756417
65:in the modern town of
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1073:Hillforts in Anglesey
751:Lligwy Burial Chamber
633:Hydrological features
454:Llanfair-yng-Nghornwy
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771:St Gwenfaen's Well
196:2008-09-24 at the
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1025:4°40′32.31″W
1015:
882:Ynys Moelfre
852:Ynys Castell
832:The Skerries
812:Middle Mouse
680:Menai Strait
650:Afon Cadnant
494:Llanrhyddlad
424:Llanddeusant
274:Menai Bridge
135:
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106:Wales portal
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1037: /
903:Communities
862:Ynys Feurig
847:Ynys Benlas
837:North Stack
827:South Stack
822:Salt Island
792:Holy Island
756:Llys Rhosyr
645:Afon Braint
549:Pentre Berw
519:Marian-glas
504:Llantrisant
479:Llangwyllog
459:Llanfechell
339:Brynsiencyn
1052:Categories
973:Public art
887:Ynys y Bîg
867:Ynys Gaint
857:Ynys Dulas
842:West Mouse
807:East Mouse
746:Din Lligwy
665:Llyn Cefni
655:Afon Cefni
584:Rhosmeirch
529:Newborough
514:Malltraeth
509:Maenaddwyn
499:Llansadwrn
439:Llanfaelog
434:Llandegfan
414:Llanbadrig
369:Church Bay
359:Cemaes Bay
334:Brynrefail
185:Caer y Twr
172:Caer y Twr
120:References
63:small fort
50:, Wales.
33:Caer y Twr
18:Caer y Tŵr
1058:Trearddur
993:Geography
931:Grade II*
776:Tŷ Newydd
766:Penmorwdd
731:Caer Gybi
660:Llyn Alaw
640:Afon Alaw
609:Trearddur
589:Rhosneigr
569:Rhoscolyn
544:Pentraeth
539:Penmynydd
464:Llanfwrog
429:Llanddona
409:Llaingoch
404:Pont-Hwfa
399:Gwalchmai
329:Bryngwran
319:Bodffordd
299:Aberffraw
269:Llangefni
254:Beaumaris
71:Irish Sea
802:Cribinau
736:Caer Lêb
619:Tŷ Croes
604:Tandinas
579:Rhosybol
574:Rhosgoch
484:Llanidan
469:Llangoed
444:Llanfaes
344:Bull Bay
324:Bodorgan
314:Bodewryd
309:Bodedern
292:Villages
264:Holyhead
259:Benllech
235:Anglesey
194:Archived
175:Archived
155:41159255
92:See also
67:Holyhead
48:Anglesey
40:hillfort
37:Iron Age
938:Museums
926:Grade I
918:Schools
785:Islands
716:Bodowyr
614:Tregele
599:Rhydwyn
594:Rhosydd
524:Moelfre
384:Gaerwen
913:Places
896:Topics
624:Valley
534:Penmon
374:Dwyran
364:Cemlyn
354:Cemaes
349:Burwen
304:Bachau
249:Amlwch
153:
143:
1005:Wales
953:SSSIs
242:Towns
200:, BBC
181:, BBC
84:(the
394:Gors
151:OCLC
141:ISBN
46:in
1054::
149:.
227:e
220:t
213:v
157:.
20:)
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