Cromlechs are ancient burial mounds from pre-historic times. Below are a selection of those I have recently visited. The map shows their locations. All are easy enough to visit, with only a short walk from the car (no more than 20 minutes, often a lot less). This page also features other interesting pre-historic and/or ancient sites.
1 Aberlleiniog Castle, Anglesey
2 Aberlleiniog Castle, Anglesey
3 Aberlleiniog Castle, Anglesey
4 Aberlleiniog Castle, Anglesey
5 Aberlleiniog Castle, Anglesey
6 Aberlleiniog Castle, Anglesey
7 Aberlleiniog Castle, Anglesey
8 Aberlleiniog Castle, Anglesey
9 Aberlleiniog Castle, Anglesey
10 Aberlleiniog Castle, Anglesey
11 Barclodiad-Y-Gawres Burial Chamber, Anglesey
12 Barclodiad-Y-Gawres Burial Chamber, Anglesey
13 Barclodiad-Y-Gawres Burial Chamber, Anglesey
14 Barclodiad-Y-Gawres Burial Chamber, Anglesey
15 Barclodiad-Y-Gawres Burial Chamber, Anglesey
16 Barclodiad-Y-Gawres Burial Chamber, Anglesey
17 Barclodiad-Y-Gawres Burial Chamber, Anglesey
18 Barclodiad-Y-Gawres Burial Chamber, Anglesey
19 Barclodiad-Y-Gawres Burial Chamber, Anglesey
20 Barclodiad-Y-Gawres Burial Chamber, Anglesey
21 Barclodiad-Y-Gawres Burial Chamber, Anglesey
22 Bodowyr Burial Chamber, Anglesey
23 Bodowyr Burial Chamber, Anglesey
24 Bodowyr Burial Chamber, Anglesey
25 Bodowyr Burial Chamber, Anglesey
26 Bodowyr Burial Chamber, Anglesey
27 Bodowyr Burial Chamber, Anglesey
28 Bodowyr Burial Chamber, Anglesey
29 Bryn Celli Ddu, Anglesey
30 Bryn Celli Ddu, Anglesey
31 Bryn Celli Ddu, Anglesey
32 Bryn Celli Ddu, Anglesey
33 Bryn Celli Ddu, Anglesey
34 Bryn Celli Ddu, Anglesey
35 Bryn Celli Ddu, Anglesey
36 Bryn Celli Ddu, Anglesey
37 Bryn Celli Ddu, Anglesey
38 Bryn Celli Ddu, Anglesey
39 Bryn Celli Ddu, Anglesey
40 Bryn Celli Ddu, Anglesey
41 Caer Gybi, Anglesey
42 Caer Gybi, Anglesey
43 Caer Leb, Anglesey
44 Caer Leb, Anglesey
45 Caer Leb, Anglesey
46 Caer Leb, Anglesey
47 Caer Leb, Anglesey
48 Caer Leb, Anglesey
49 Caer Leb, Anglesey
50 Castell Bryn-Gwyn, Anglesey
51 Castell Bryn-Gwyn, Anglesey
52 Castell Bryn-Gwyn, Anglesey
53 Castell Bryn-Gwyn, Anglesey
54 Castell Dinas Bran
55 Castell Dinas Bran
56 Castell Dinas Bran
57 Castell Dinas Bran
58 Castell Dinas Bran
59 Castell Dinas Bran
60 Castell Dinas Bran
61 Castell Dinas Bran
62 Castell Dinas Bran
63 Clynnog Fawr Cromlech
64 Clynnog Fawr Cromlech
65 Clynnog Fawr Cromlech
66 Clynnog Fawr Cromlech
67 Clynnog Fawr Cromlech
68 Clynnog Fawr Cromlech
69 Clynnog Fawr Cromlech
70 Clynnog Fawr Cromlech
71 Clynnog Fawr Cromlech
72 Cors Y Gedol
73 Cors Y Gedol
74 Cors Y Gedol
75 Cors Y Gedol
76 Criccieth Burial Chamber, Llyn Peninsula
77 Criccieth Burial Chamber, Llyn Peninsula
78 Criccieth Burial Chamber, Llyn Peninsula
79 Criccieth Burial Chamber, Llyn Peninsula
80 Criccieth Burial Chamber, Llyn Peninsula
81 Din Lligwy
82 Din Lligwy
83 Din Lligwy
84 Din Lligwy
85 Din Lligwy
86 Din Lligwy
87 Din Lligwy
88 Din Lligwy
89 Din Lligwy
90 Din Lligwy
91 Din Lligwy
92 Din Lligwy
93 Din Lligwy
94 Din Lligwy
95 Din Lligwy
96 Din Lligwy
97 Din Lligwy
98 Din Lligwy
99 Din Lligwy
100 Din Lligwy
101 Din Lligwy
102 Din Lligwy
103 Din Lligwy
104 Din Lligwy
105 Din Lligwy
106 Dyffryn Burial Chambers, near Harlech
107 Dyffryn Burial Chambers, near Harlech
108 Dyffryn Burial Chambers, near Harlech
109 Dyffryn Burial Chambers, near Harlech
110 Dyffryn Burial Chambers, near Harlech
111 Dyffryn Burial Chambers, near Harlech
112 Dyffryn Burial Chambers, near Harlech
113 Dyffryn Burial Chambers, near Harlech
114 Dyffryn Burial Chambers, near Harlech
115 Dyffryn Burial Chambers, near Harlech
116 Dyffryn Burial Chambers, near Harlech
117 Dyffryn Burial Chambers, near Harlech
118 Dyffryn Burial Chambers, near Harlech
119 Dyffryn Burial Chambers, near Harlech
120 Dyffryn Burial Chambers, near Harlech
121 Dyffryn Burial Chambers, near Harlech
122 Dyffryn Burial Chambers, near Harlech
123 Dyffryn Burial Chambers, near Harlech
124 Dyffryn Burial Chambers, near Harlech
125 Dyffryn Burial Chambers, near Harlech
126 Dyffryn Burial Chambers, near Harlech
127 Dyffryn Burial Chambers, near Harlech
128 Dyffryn Burial Chambers, near Harlech
129 Dyffryn Burial Chambers, near Harlech
130 Dyffryn Burial Chambers, near Harlech
131 Dyffryn Burial Chambers, near Harlech
132 Dyffryn Burial Chambers, near Harlech
133 Dyffryn Burial Chambers, near Harlech
134 Dyffryn Burial Chambers, near Harlech
135 Dyffryn Burial Chambers, near Harlech
136 Dyffryn Burial Chambers, near Harlech
137 Dyffryn Burial Chambers, near Harlech
138 Dyffryn Burial Chambers, near Harlech
139 Dyffryn Burial Chambers, near Harlech
140 Dyffryn Burial Chambers, near Harlech
141 Dyffryn Burial Chambers, near Harlech
142 Dyffryn Burial Chambers, near Harlech
143 Dyffryn Burial Chambers, near Harlech
144 Dyffryn Burial Chambers, near Harlech
145 Eliseg’s Pillar
146 Eliseg’s Pillar
147 Eliseg’s Pillar
148 Eliseg’s Pillar
149 Eliseg’s Pillar
150 Hendre For, Anglesey
151 Holyhead Mountain Hut Circles, Anglesey
152 Holyhead Mountain Hut Circles, Anglesey
153 Holyhead Mountain Hut Circles, Anglesey
154 Holyhead Mountain Hut Circles, Anglesey
155 Holyhead Mountain Hut Circles, Anglesey
156 Holyhead Mountain Hut Circles, Anglesey
157 Holyhead Mountain Hut Circles, Anglesey
158 Holyhead Mountain Hut Circles, Anglesey
159 Holyhead Mountain Hut Circles, Anglesey
160 Holyhead Mountain Hut Circles, Anglesey
161 Holyhead Mountain Hut Circles, Anglesey
162 Holyhead Mountain Hut Circles, Anglesey
163 Holyhead Mountain Hut Circles, Anglesey
164 Holyhead Mountain Hut Circles, Anglesey
165 Holyhead Mountain Hut Circles, Anglesey
166 Holyhead Mountain Hut Circles, Anglesey
167 Holyhead Mountain Hut Circles, Anglesey
168 Holyhead Mountain Hut Circles, Anglesey
169 Holyhead Mountain Hut Circles, Anglesey
170 Holyhead Mountain Hut Circles, Anglesey
171 Holyhead Mountain Hut Circles, Anglesey
172 Llanfaethlu Standing Stone, Anglesey
173 Llanfaethlu Standing Stone, Anglesey
174 Llanfaethlu Standing Stone, Anglesey
175 Lliwgy Burial Chamber
176 Lliwgy Burial Chamber
177 Lliwgy Burial Chamber
178 Lliwgy Burial Chamber
179 Lliwgy Burial Chamber
180 Lliwgy Burial Chamber
181 Lliwgy Burial Chamber
182 Lliwgy Burial Chamber
183 Lliwgy Burial Chamber
184 Lliwgy Burial Chamber
185 Lliwgy Burial Chamber
186 Lliwgy Burial Chamber
187 Lliwgy Chapel
188 Lliwgy Chapel
189 Mynydd Cefn Amlwch
190 Mynydd Cefn Amlwch
191 Mynydd Cefn Amlwch
192 Mynydd Cefn Amlwch
193 Mynydd Cefn Amlwch
194 Mynydd Cefn Amlwch
195 Penarth Cromlech
196 Penarth Cromlech
197 Penmon Dovecote, Anglesey
198 Penmon Dovecote, Anglesey
199 Penmon Dovecote, Anglesey
200 Penmon Dovecote, Anglesey
201 Penmon Dovecote, Anglesey
202 Penmon Dovecote, Anglesey
203 Penmon Dovecote, Anglesey
204 Penmon Priory, Anglesey
205 Penmon Priory, Anglesey
206 Penrhos Feilw Standing Stones, Anglesey
207 Penrhos Feilw Standing Stones, Anglesey
208 Penrhos Feilw Standing Stones, Anglesey
209 Penrhos Feilw Standing Stones, Anglesey
210 Penrhos Feilw Standing Stones, Anglesey
211 Plas Newydd Burial Chamber (on PRIVATE land), Anglesey
212 Presaddfed Burial Chamber, Anglesey
213 Presaddfed Burial Chamber, Anglesey
214 Presaddfed Burial Chamber, Anglesey
215 Presaddfed Burial Chamber, Anglesey
216 Presaddfed Burial Chamber, Anglesey
217 Presaddfed Burial Chamber, Anglesey
218 Presaddfed Burial Chamber, Anglesey
219 Presaddfed Burial Chamber, Anglesey
220 Presaddfed Burial Chamber, Anglesey
221 Presaddfed Burial Chamber, Anglesey
222 Presaddfed Burial Chamber, Anglesey
223 Presaddfed Burial Chamber, Anglesey
224 Presaddfed Burial Chamber, Anglesey
225 Rhoslan Burial Chamber, Llyn Peninsula
226 Rhoslan Burial Chamber, Llyn Peninsula
227 Rhoslan Burial Chamber, Llyn Peninsula
228 Rhoslan Burial Chamber, Llyn Peninsula
229 Rhoslan Burial Chamber, Llyn Peninsula
230 Rhoslan Burial Chamber, Llyn Peninsula
231 Rhoslan Burial Chamber, Llyn Peninsula
232 Rhoslan Burial Chamber, Llyn Peninsula
233 Rhoslan Burial Chamber, Llyn Peninsula
234 Rhoslan Burial Chamber, Llyn Peninsula
235 St Seiriol’s Well, Penmon Priory, Anglesey
236 St Seiriol’s Well, Penmon Priory, Anglesey
237 St Seiriol’s Well, Penmon Priory, Anglesey
238 St Seiriol’s Well, Penmon Priory, Anglesey
239 St Seiriol’s Well, Penmon Priory, Anglesey
240 St Seiriol’s Well, Penmon Priory, Anglesey
241 St Seiriol’s Well, Penmon Priory, Anglesey
242 Trefignath Burial Chamber, Anglesey
243 Trefignath Burial Chamber, Anglesey
244 Trefignath Burial Chamber, Anglesey
245 Trefignath Burial Chamber, Anglesey
246 Trefignath Burial Chamber, Anglesey
247 Trefignath Burial Chamber, Anglesey
248 Trefignath Burial Chamber, Anglesey
249 Trefignath Burial Chamber, Anglesey
250 Trefignath Burial Chamber, Anglesey
251 Trefignath Burial Chamber, Anglesey
252 Trefignath Burial Chamber, Anglesey
253 Trefignath Burial Chamber, Anglesey
254 Trefignath Burial Chamber, Anglesey
255 Trefignath Burial Chamber, Anglesey
256 Trefignath Burial Chamber, Anglesey
257 Trefignath Burial Chamber, Anglesey
258 Ty Mawr Standing Stone, Anglesey
259 Ty Mawr Standing Stone, Anglesey
260 Ty Mawr Standing Stone, Anglesey
261 Ty Mawr Standing Stone, Anglesey
262 Ty Newydd Burial Chamber, Anglesey
263 Ty Newydd Burial Chamber, Anglesey
264 Ty Newydd Burial Chamber, Anglesey
265 Ty Newydd Burial Chamber, Anglesey
266 Ty Newydd Burial Chamber, Anglesey