Name |
Image |
Location |
Established |
Area |
Manager |
Aberbargoed Grasslands |
|
Caerphilly 51.686°N 3.211°W / 51.686; -3.211 |
14 June 2012 |
42.28 hectares (104.5 acres) |
Caerphilly County Borough Council |
Allt Rhyd y Groes |
|
Carmarthenshire 52.118°N 3.812°W / 52.118; -3.812 |
24 February 1983 |
69.71 hectares (172.3 acres) |
NRW |
Allt y Benglog |
|
Gwynedd 52.792°N 3.770°W / 52.792; -3.770 |
26 April 1994 |
11.51 hectares (28.4 acres) |
NRW |
Berwyn |
|
Denbighshire, Gwynedd, Powys 52.832°N 3.499°W / 52.832; -3.499 |
18 March 1999 |
7,919.76 hectares (19,570.2 acres) |
NRW |
Cadair Idris |
|
Gwynedd 52.694°N 3.896°W / 52.694; -3.896 |
6 January 1983 |
436.76 hectares (1,079.3 acres) |
NRW |
Carmel |
|
Carmarthenshire 51.827°N 4.041°W / 51.827; -4.041 |
24 July 1999 |
85.19 hectares (210.5 acres) |
NRW |
Ceunant Cynfal |
|
Gwynedd 52.951°N 3.927°W / 52.951; -3.927 |
26 April 1994 |
2.73 hectares (6.7 acres) |
NRW |
Ceunant Llennyrch |
|
Gwynedd 52.923°N 3.989°W / 52.923; -3.989 |
19 March 2018 |
329.24 hectares (813.6 acres) |
NRW |
Claerwen |
|
Ceredigion, Powys 52.305°N 3.717°W / 52.305; -3.717 |
21 July 1994 |
793.40 hectares (1,960.5 acres) |
NRW |
Coed Camlyn |
|
Gwynedd 52.938°N 3.993°W / 52.938; -3.993 |
3 June 1969 |
63.57 hectares (157.1 acres) |
NRW |
Coed Cymerau |
|
Gwynedd 52.966°N 3.955°W / 52.966; -3.955 |
29 August 1992 |
26.30 hectares (65.0 acres) |
NRW |
Coed Dolgarrog |
|
Conwy 53.183°N 3.846°W / 53.183; -3.846 |
20 April 1959 |
67.37 hectares (166.5 acres) |
NRW |
Coed Ganllwyd |
|
Gwynedd 52.800°N 3.895°W / 52.800; -3.895 |
2 April 1963 |
23.57 hectares (58.2 acres) |
National Trust |
Coed Gorswen |
|
Conwy 53.220°N 3.866°W / 53.220; -3.866 |
20 April 1959 |
13.57 hectares (33.5 acres) |
NRW |
Coed Rheidol |
|
Ceredigion 52.386°N 3.871°W / 52.386; -3.871 |
7 February 1994 |
165.91 hectares (410.0 acres) |
NRW |
Coed Tremadog |
|
Gwynedd 52.940°N 4.142°W / 52.940; -4.142 |
18 April 1958 |
2.64 hectares (6.5 acres) |
NRW |
Coed y Cerrig |
|
Monmouthshire 51.884°N 3.029°W / 51.884; -3.029 |
12 February 1988 |
10.38 hectares (25.6 acres) |
NRW |
Coed y Rhygen |
|
Gwynedd 52.914°N 3.965°W / 52.914; -3.965 |
3 June 1969 |
27.78 hectares (68.6 acres) |
NRW |
Coedmor |
|
Ceredigion, Pembrokeshire 52.063°N 4.633°W / 52.063; -4.633 |
5 July 1991 |
46.12 hectares (114.0 acres) |
NRW |
Coedydd Aber |
|
Gwynedd 53.218°N 4.002°W / 53.218; -4.002 |
4 March 1982 |
166.46 hectares (411.3 acres) |
NRW |
Coedydd Maentwrog |
|
Gwynedd 52.955°N 3.983°W / 52.955; -3.983 |
26 April 1966 |
68.32 hectares (168.8 acres) |
NRW |
Cors Bodeilio |
|
Anglesey 53.272°N 4.248°W / 53.272; -4.248 |
22 Mawrth 2013 |
41.53 hectares (102.6 acres) |
NRW |
Cors Caron |
|
Ceredigion 52.255°N 3.922°W / 52.255; -3.922 |
22 January 1981 |
839.75 hectares (2,075.1 acres) |
NRW |
Cors Erddreiniog |
|
Anglesey 53.312°N 4.297°W / 53.312; -4.297 |
22 March 2013 |
250.26 hectares (618.4 acres) |
NRW |
Cors Geirch |
|
Gwynedd 52.904°N 4.515°W / 52.904; -4.515 |
22 March 2013 |
122.49 hectares (302.7 acres) |
NRW |
Cors Goch |
|
Anglesey 53.306°N 4.256°W / 53.306; -4.256 |
15 June 1995 |
52.72 hectares (130.3 acres) |
North Wales Wildlife Trust |
Cors Goch Llanllwch |
|
Carmarthenshire 51.842°N 4.374°W / 51.842; -4.374 |
23 July 1996 |
18.42 hectares (45.5 acres) |
Wildlife Trust South and West Wales |
Cors Gyfelog |
|
Gwynedd 53.007°N 4.297°W / 53.007; -4.297 |
22 March 2013 |
36.97 hectares (91.4 acres) |
NRW |
Cors y Llyn |
|
Powys 52.187°N 3.441°W / 52.187; -3.441 |
27 February 1987 |
25.12 hectares (62.1 acres) |
NRW |
Corsydd Llangloffan |
|
Pembrokeshire 51.945°N 5.050°W / 51.945; -5.050 |
5 July 1991 |
38.93 hectares (96.2 acres) |
NRW |
Craig Cerrig Gleisiad a Fan Frynych |
|
Powys 51.891°N 3.518°W / 51.891; -3.518 |
1 November 2002 |
488.38 hectares (1,206.8 acres) |
NRW |
Craig y Cilau |
|
Powys 51.836°N 3.178°W / 51.836; -3.178 |
23 September 1959 |
64.82 hectares (160.2 acres) |
NRW |
Crymlyn Bog & Pant y Sais |
|
Neath Port Talbot, Swansea 51.633°N 3.883°W / 51.633; -3.883 |
27 September 1991 |
130.83 hectares (323.3 acres) |
NRW |
Cwm Cadlan |
|
Rhondda Cynon Taf 51.774°N 3.509°W / 51.774; -3.509 |
3 March 2006 |
32.93 hectares (81.4 acres) |
NRW |
Cwm Clydach |
|
Blaenau Gwent, Monmouthshire 51.805°N 3.135°W / 51.805; -3.135 |
3 February 2012 |
30.65 hectares (75.7 acres) |
NRW |
Cwm Glas Crafnant |
|
Conwy 53.120°N 3.892°W / 53.120; -3.892 |
19 July 1960 |
15.02 hectares (37.1 acres) |
NRW |
Cwm Idwal |
|
Conwy, Gwynedd 53.111°N 4.030°W / 53.111; -4.030 |
24 November 1954 |
403.30 hectares (996.6 acres) |
NRW |
Dan yr Ogof |
|
Powys 51.830°N 3.688°W / 51.830; -3.688 |
2 April 2004 |
0.52 hectares (1.3 acres) |
The National Showcaves Centre |
Dinefwr Park |
|
Carmarthenshire 51.879°N 4.016°W / 51.879; -4.016 |
13 July 2007 |
224.53 hectares (554.8 acres) |
National Trust |
Dyfi |
|
Ceredigion, Gwynedd 52.529°N 4.015°W / 52.529; -4.015 |
24 November 1992 |
2,290.36 hectares (5,659.6 acres) |
NRW |
Fenn's, Whixall & Bettisfield Mosses |
|
Wrexham, Shropshire 52.927°N 2.762°W / 52.927; -2.762 |
1 May 2021 |
583.94 hectares (1,442.9 acres) |
Natural England |
Fiddlers Elbow |
|
Monmouthshire 51.821°N 2.686°W / 51.821; -2.686 |
15 November 2017 |
28.34 hectares (70.0 acres) |
Woodland Trust |
Gower Coast |
|
Swansea 51.559°N 4.281°W / 51.559; -4.281 |
6 February 2002 |
92.17 hectares (227.8 acres) |
National Trust |
Grassholm Island |
|
Pembrokeshire 51.731°N 5.479°W / 51.731; -5.479 |
23 July 1996 |
10.77 hectares (26.6 acres) |
RSPB |
Gregynog |
|
Powys 52.566°N 3.352°W / 52.566; -3.352 |
6 March 2013 |
214.17 hectares (529.2 acres) |
University of Wales |
Hafod Elwy Moor |
|
Denbighshire 53.094°N 3.572°W / 53.094; -3.572 |
5 October 1999 |
82.96 hectares (205.0 acres) |
NRW |
Hafod Garregog |
|
Gwynedd 52.978°N 4.084°W / 52.978; -4.084 |
15 April 1987 |
86.70 hectares (214.2 acres) |
National Trust |
Kenfig Pool and Dunes |
|
Bridgend, Neath Port Talbot 51.523°N 3.742°W / 51.523; -3.742 |
23 May 1989 |
513.72 hectares (1,269.4 acres) |
NRW |
Lady Park Wood (EN) |
|
Gloucestershire, Monmouthshire 51.827°N 2.658°W / 51.827; -2.658 |
21 November 1985 |
37.86 hectares (93.6 acres) |
Forestry Commission (England) |
Llyn Eiddwen |
|
Ceredigion 52.282°N 4.044°W / 52.282; -4.044 |
23 July 1996 |
11.53 hectares (28.5 acres) |
Wildlife Trust South and West Wales |
Maes-y-Facrell, Pen y Gogarth |
|
Conwy 53.328°N 3.846°W / 53.328; -3.846 |
26 February 2009 |
5.22 hectares (12.9 acres) |
NRW |
Merthyr Mawr Warren |
|
Bridgend 51.480°N 3.640°W / 51.480; -3.640 |
3 July 2002 |
324.23 hectares (801.2 acres) |
NRW |
Morfa Dyffryn |
|
Gwynedd 52.799°N 4.135°W / 52.799; -4.135 |
18 January 1962 |
197.37 hectares (487.7 acres) |
NRW |
Morfa Harlech |
|
Gwynedd 52.898°N 4.122°W / 52.898; -4.122 |
9 October 1981 |
880.73 hectares (2,176.3 acres) |
NRW |
Nant Irfon |
|
Powys 52.173°N 3.697°W / 52.173; -3.697 |
8 December 1983 |
137.57 hectares (339.9 acres) |
NRW |
Newborough Warren & Ynys Llanddwyn |
|
Anglesey 53.152°N 4.373°W / 53.152; -4.373 |
2 December 1992 |
1,556.43 hectares (3,846.0 acres) |
NRW |
Newport Wetlands |
|
Newport 51.537°N 2.941°W / 51.537; -2.941 |
16 April 2008 |
865.72 hectares (2,139.2 acres) |
NRW |
Ogof Ffynnon Ddu |
|
Powys 51.826°N 3.643°W / 51.826; -3.643 |
1 Mawrh 1993 |
417.97 hectares (1,032.8 acres) |
NRW |
Oxwich |
|
Swansea 51.566°N 4.154°W / 51.566; -4.154 |
15 November 2017 |
228.49 hectares (564.6 acres) |
NRW |
Pengelli Forest |
|
Pembrokeshire 52.019°N 4.726°W / 52.019; -4.726 |
27 July 1995 |
65.94 hectares (162.9 acres) |
Wildlife Trust South and West Wales |
Penhow Woodlands |
|
Monmouthshire, Newport 51.607°N 2.839°W / 51.607; -2.839 |
15 November 1984 |
24.04 hectares (59.4 acres) |
NRW |
Ramsey |
|
Pembrokeshire 51.865°N 5.340°W / 51.865; -5.340 |
23 July 1996 |
281.56 hectares (695.7 acres) |
RSPB |
Rhinog |
|
Gwynedd 52.840°N 3.985°W / 52.840; -3.985 |
1 December 1970 |
592.39 hectares (1,463.8 acres) |
NRW |
Rhos Goch |
|
Powys 52.127°N 3.175°W / 52.127; -3.175 |
27 February 1987 |
45.21 hectares (111.7 acres) |
NRW |
Rhos Llawr Cwrt |
|
Ceredigion 52.122°N 4.319°W / 52.122; -4.319 |
24 November 1992 |
58.73 hectares (145.1 acres) |
NRW |
Roundton Hill |
|
Powys 52.547°N 3.042°W / 52.547; -3.042 |
31 May 2000 |
33.45 hectares (82.7 acres) |
Montgomeryshire Wildlife Trust |
Skokholm |
|
Pembrokeshire 51.697°N 5.277°W / 51.697; -5.277 |
6 December 2008 |
98.49 hectares (243.4 acres) |
Wildlife Trust South and West Wales |
Skomer |
|
Pembrokeshire 51.736°N 5.293°W / 51.736; -5.293 |
2 April 1963 |
306.56 hectares (757.5 acres) |
Wildlife Trust South and West Wales |
Stackpole |
|
Pembrokeshire 51.615°N 4.916°W / 51.615; -4.916 |
8 March 1995 |
232.79 hectares (575.2 acres) |
NRW and National Trust |
Stanner Rocks |
|
Powys 52.219°N 3.079°W / 52.219; -3.079 |
18 February 1981 |
5.42 hectares (13.4 acres) |
NRW |
Tŷ Canol |
|
Pembrokeshire 51.997°N 4.779°W / 51.997; -4.779 |
22 September 1986 |
70.11 hectares (173.2 acres) |
NRW |
Waun Las |
|
Carmarthenshire 51.842°N 4.137°W / 51.842; -4.137 |
7 August 2008 |
150.14 hectares (371.0 acres) |
National Botanic Garden of Wales |
Whiteford |
|
Swansea 51.634°N 4.243°W / 51.634; -4.243 |
26 April 1966 |
806.05 hectares (1,991.8 acres) |
NRW and National Trust |
Ynys Enlli |
|
Gwynedd 52.759°N 4.790°W / 52.759; -4.790 |
24 March 1986 |
178.64 hectares (441.4 acres) |
Bardsey Island Trust |
Yr Eifl |
|
Gwynedd 52.969°N 4.431°W / 52.969; -4.431 |
22 March 2013 |
39.25 hectares (97.0 acres) |
NRW |
Yr Wyddfa |
|
Gwynedd 53.058°N 4.049°W / 53.058; -4.049 |
26 April 1966 |
1,671.76 hectares (4,131.0 acres) |
NRW |