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  • Old Castle Down SSSI - Grazing to Help Wildlife

    Cliciwch yma i ddarllen y dudalen yn Gymraeg / Click here to read this page in Welsh Old Castle Down Old Castle Down is designated as a Site of Special Scientific Interest (SSSI) due to several distinct features including limestone grassland, limestone heath and humid heath. The variation in these plant communities reflects the changes in the calcium carbonate content of the soils. On the west side of the B4265 the calcareous grassland is dominated by sheep’s fescue grass... More
    Closes 22 September 2030

  • River Restoration Programme

    Who are we? Formed in 2018, the River Restoration Programme (RRP) team within Natural Resources Wales (NRW) is a national initiative aimed at restoring Welsh rivers to a more natural state, improving ecological health, and delivering multiple benefits for biodiversity, climate resilience, and communities. It complements NRW’s statutory duties under the Water Framework Directive (WFD) Regulations & Habitat Regulations, supporting the delivery of projects on the ground, both... More
    Closes 30 November 2030

  • Rhaglen Dalgylch Arddangos Teifi

    Cliciwch i ddarllen y dudalen hon yn Saesneg / Click to read this page in English Prosiect ar y cyd yw Rhaglen Dalgylch Arddangos Teifi a sefydlwyd i fynd i’r afael â’r heriau sy’n wynebu Afon Teifi a’i dalgylch o ran ansawdd dŵr. Mae’r prosiect hwn yn dwyn ynghyd bartneriaeth o dros 20 o sefydliadau allweddol sydd â’r nod o ddod o hyd i atebion amgylcheddol arloesol. Byddwn yn ceisio gwella ansawdd dŵr, gwella gwydnwch yr afon yn wyneb newid hinsawdd... More
    Closes 1 November 2032

  • Teifi Demonstrator Programme

    Click to read this page in Welsh The Teifi Demonstrator Programme is a collaborative initiative set up to address the water quality challenges facing the River Teifi and its catchment. This project brings together a partnership of over 20 key organisations aiming to find innovative environmental solutions. We will look to improve water quality, enhance the river's resilience to climate change, and boost its biodiversity by exploring new ways of working together. By... More
    Closes 1 November 2032

  • Cwmystwyth Lead Mine

    Cwmystwyth Mine is approximately 6km northeast of the village of Pont-rhyd-y-groes, Ceredigion. The mine covers around 250ha on the steep northern slopes of the Ystwyth Valley, with some minor workings on the southern slopes. Cwmystwyth exploited three mineral lodes over the course of its operation, namely Comet, Kingside and Mitchell. The earliest mining at Cwmystwyth has been dated to the Early Bronze Age, when copper was extracted from the Comet lode in an... More
    Closes 19 October 2043

  • Gwaith Plwm Cwmystwyth

    Lleolir mwynglawdd Cwmystwyth tua 6km i’r gogledd-ddwyrain o Bont-rhyd-y-groes yng Ngheredigion. Mae mwyngloddiau metel segur yn achosi llygredd sylweddol yng Nghymru, gan niweidio ecoleg afonydd gyda metelau fel cadmiwm, plwm, sinc a chopr. Mae tua 1,300 o fwyngloddiau metel segur yng Nghymru yr amcangyfrifir eu bod yn effeithio ar 700 cilometr o afonydd. Mae Cyfoeth Naturiol Cymru (CNC) a’r Awdurdod Glo yn gweithio gyda’i gilydd ar y... More
    Closes 19 October 2043

  • Nant y Mwyn Lead Mine

    The Nant y Mwyn mine is located close to the village of Rhandirmwyn in Carmarthenshire; approximately 10 km to the north of Llandovery. 02/04/2026 - Helicopter airlift protects rare habitat during essential pollution prevention work We've released a press release - please see it here (web) 17/02/2026 - Helicopter Update (Nant y Bai Works) I’m pleased to confirm that the helicopter crew has advised the lift will be going ahead. ... More
    Closes 19 October 2043

  • Gwaith Plwm Nant y Mwyn

    Lleolir mwynglawdd Nant y Mwyn gerllaw pentref Rhandir-mwyn yn Sir Gaerfyrddin; tua 10 km i'r gogledd o Lanymddyfri. 02/04/2026 - Hofrennydd yn amddiffyn cynefin prin yn ystod gwaith hanfodol i atal llygredd Rydym wedi rhyddhau datganiad i'r wasg - gweler ef yma (gwe) 17/02/2026 - Diweddariad Hofrennydd (Gweithfeydd Nant y Bai) Rwy’n falch o gadarnhau bod criw’r hofrennydd wedi rhoi gwybod y bydd yr ehediad yn mynd yn ei flaen. ... More
    Closes 19 October 2043

  • Van Metal Mine

    Van Mine is located in the rural hamlet of Y Fan, approximately 3km northeast of Llanidloes, Powys. Van Mine was a former lead, zinc, and silver mine. It was one of the most productive lead mines in Europe in the 1870s. Records of mining trials date back to 1850, with the first ore produced in 1866. Production started to decline in the 1890s and eventually closed in 1921 primarily due to the fall in lead prices due to cheaper foreign imports. Several heritage assets... More
    Closes 19 October 2043

  • Mwynglawdd Metel y Fan

    Mae Mwynglawdd y Fan ym mhentref bach gwledig y Fan, tua 3km i'r gogledd-ddwyrain o Lanidloes, Powys. Roedd Mwynglawdd y Fan yn hen fwynglawdd plwm, sinc ac arian. Roedd yn un o'r mwyngloddiau plwm mwyaf cynhyrchiol yn Ewrop yn y 1870au. Mae cofnodion o dreialon mwyngloddio yn dyddio'n ôl i 1850 a chafodd y mwyn cyntaf ei gynhyrchu ym 1866. Dechreuodd cyfradd y cynhyrchu ostwng yn y 1890au ac yn y diwedd caeodd y mwynglawdd ym 1921 yn bennaf oherwydd y gostyngiad... More
    Closes 19 October 2043

  • Mwynglawdd Plwm a Sinc Dylife

    Mae Mwynglawdd Dylife 13km i'r gogledd-orllewin o Lanidloes, Powys, ar y ffordd fynyddig i Fachynlleth. Cafodd ei nodi fel un o brif ffynonellau metelau dalgylch Afon Dyfi ac mae'n gyfrifol am y ffaith fod Afon Twymyn yn methu cyrraedd safonau'r Gyfarwyddeb Fframwaith Dŵr Ewropeaidd ar gyfer sinc, plwm a chadmiwm. Roedd Dylife yn tynnu plwm a sinc o dair gwythïen: Dylife, Esgairgaled a Llechwedd Ddu. Mae'n bosibl bod y gweithfeydd cloddio cynharaf yn dyddio o gyfnod y... More
    Closes 19 October 2043

  • Cwmnewydion metal mine project

    The Cwmnewydion project is focused on Graig Goch mine and Frongoch Adit, which are situated within the Cwmnewydion valley, located approximately 1.5 km southwest of Trisant village and 3.75 km northwest of Pont-rhyd-y-groes in Ceredigion. The Nant Cwmnewydion watercourse flows along the valley floor immediately adjacent to the northern boundary of Graig Goch mine. Upstream to the east of Graig Goch mine is Frongoch Adit and Wemyss mine. Frongoch mine is further to the... More
    Closes 19 October 2043

  • Prosiect mwynglawdd metel Cwmnewydion

    Mae prosiect Cwmnewydion yn canolbwyntio ar fwynglawdd Graig Goch a Cheuffordd Frongoch, sydd wedi'u lleoli o fewn Cwm Cwmnewydion, tua 1.5 km i'r de-orllewin o bentref Trisant a 3.75 km i'r gogledd-orllewin o Bont-Rhyd-y-groes yng Ngheredigion. Mae cwrs dŵr Nant Cwmnewydion yn llifo ar hyd llawr y dyffryn yn union gerllaw ffin ogleddol mwynglawdd Graig Goch. I fyny'r afon i'r dwyrain o fwynglawdd Graig Goch mae Ceuffordd Frongoch a mwynglawdd Wemyss. ... More
    Closes 19 October 2043

  • Metal mine water pollution

    Pollution from Abandoned Metal Mines Abandoned metal mines cause extensive pollution in Wales, with approximately 1,300 sites estimated to impact water quality and ecology in over 700 km of watercourses. Natural Resources Wales (NRW) and the Mining Remediation Authority (formerly Coal Authority) are working together to tackle this pollution, making our rivers cleaner and healthier to benefit people, wildlife and the economy. Causes... More
    Closes 19 October 2043

  • Llygredd dŵr mwyngloddiau metel

    Llygredd o Fwyngloddiau Metel Segur Mae mwyngloddiau metel segur yn achosi llawer o lygredd yng Nghymru. Mae tua 1,300 o safleoedd ar hyd a lled ein gwlad, ac amcangyfrifir eu bod nhw’n effeithio ar dros 700km o gyrsiau dŵr . Mae Cyfoeth Naturiol Cymru (CNC) a’r Awdurdod Adfer Safleoedd Mwyngloddio yn cydweithio i fynd i’r afael â ’r llygredd hwn, er mwyn gwella iechyd ein hafonydd, er budd pobl, bywyd gwyllt a’r economi. ... More
    Closes 19 October 2043

  • Dylife Lead & Zinc Mine

    Dylife Mine is located 13km northwest of Llanidloes, Powys, on the mountain road to Machynlleth. It has been identified as a major source of metals to the Afon Dyfi catchment and is responsible for the Afon Twymyn failing to achieve European Water Framework Directive standards for zinc, lead and cadmium. Dylife exploited lead and zinc from three mineral lodes: the Dylife, Esgairgaled and Llechwedd Ddu. The earliest workings are possibly of Roman date and may have been linked to the... More
    Closes 19 October 2043

  • Wemyss Lead & Zinc Mine

    The abandoned Wemyss Mine is 15km southeast of Aberystwyth, Ceredigion. It is located at the head of the Cwmnewydion valley, a tributary of the River Magwr, which joins the River Ystwyth at Abermagwr. The mine worked the Frongoch mineral lode alongside Frongoch and Graig Goch mines. Wemyss became an integral part of the larger Frongoch Mine and cannot be considered in isolation from its more illustrious neighbour. In the 1840s both mines came under the same... More
    Closes 26 October 2043

  • Gwaith Plwm a Sinc Wemyss

    Mae Mwynglawdd segur Wemyss ryw 15km i'r de-ddwyrain o Aberystwyth, Ceredigion. Mae wedi ei leoli ar ben dyffryn Cwmnewydion, un o lednentydd Afon Magwr, sy'n ymuno ag Afon Ystwyth yn Abermagwr. Gweithiodd y wythïen mwynau Frongoch ochr yn ochr â mwyngloddiau Frongoch a Chraig Goch. Daeth Wemyss yn rhan annatod o Fwynglawdd Frongoch ac ni ellir ei ystyried ar wahân i’w gymydog mwy disglair. Yn y 1840au daeth y ddau fwynglawdd o dan yr un berchnogaeth, ac fe... More
    Closes 26 October 2043

  • Mwynglawdd Parc

    Mae Mwynglawdd Parc yng Nghoedwig Gwydyr ym Mharc Cenedlaethol Eryri, tua 1.6km i'r de-orllewin o Lanrwst a thua 5km i'r gogledd o Fetws-y-Coed. Bu gwaith achlysurol ym Mwynglawdd Parc rhwng 1855 a 1963 a chloddiwyd dros 10,000 tunnell o blwm a 4,000 tunnell o sinc. Trwy ei weithfeydd tanddaearol, mae’r mwynglawdd yn cysylltu ag un ar ddeg o fwyngloddiau eraill, ac mae'n agos iawn at nifer o fwyngloddiau annibynnol eraill fel Mwynglawdd Hafna a Mwynglawdd... More
    Closes 21 December 2043

  • Parc Mine

    Parc Mine is located in the Gwydir Forest within the Snowdonia National Park, approximately 1.6km southwest of Llanrwst and approximately 5km north of Betws-y-Coed. Parc Mine was worked sporadically from 1855 to 1963, recovering over 10,000 tons of lead and 4,000 tons of zinc. The mine is interconnected via its underground workings with eleven other mines, and sits in close proximity to numerous other independent mines such as Hafna Mine and Pandora Mine. When the... More
    Closes 18 December 2045

  • Citizen Science Collaboration Request Form

    Click to view in Welsh Citizen science is expanding in Wales and NRW are keen to support project that align with our evidence needs. If you are looking for collaboration or advice from NRW or access to NRW resources, this form helps us understand your project and allows us to provide a consistent approach to all citizen science involvement across the organisation. Please note funding requests to NRW need to go through the grants process and not through this form. NRW... More
    Closes 31 December 2090

  • Gwyddoniaeth Dinasyddion

    Click to view in English Mae gwyddoniaeth dinasyddion a monitro amgylcheddol dan arweiniad gwirfoddolwyr wedi tyfu’n sylweddol yn ystod y blynyddoedd diwethaf. Ar adeg pan fo cyllidebau’r sector cyhoeddus dan bwysau ac adnoddau’n gyfyngedig, mae wedi dod yn gynyddol bwysig i Cyfoeth Naturiol Cymru (CNC) fod yn flaengar, archwilio dulliau casglu data amgen, a chydweithio â sefydliadau a grwpiau gwirfoddol lle bo’n briodol. Mae dinasyddion wyddonwyr yn chwarae rhan... More
    Closes 31 December 2090

  • Citizen Science Home

    Click to view in Welsh Citizen science and volunteer-led environmental monitoring have grown significantly in recent years. At a time when public sector budgets are under pressure and resources are limited, it has become increasingly important for NRW to look outward, explore alternative data collection approaches, and collaborate with organisations and volunteer groups where appropriate. Citizen scientists play a vital role in caring for Wales’s natural environment. They... More
    Closes 31 December 2090

  • Ffurflen gais cydweithrediad gwyddoniaeth dinasyddion

    Mae gwyddoniaeth ddinasyddion yn ehangu yng Nghymru, ac mae CNC yn awyddus i gefnogi prosiectau sy’n cyd-fynd â’n hanghenion tystiolaeth. Os ydych chi’n chwilio am gydweithrediad neu gyngor gan CNC, neu fynediad at adnoddau CNC, mae’r ffurflen hon yn ein helpu i ddeall eich prosiect ac yn caniatáu i ni ddarparu dull cyson o ran holl gyfranogiad gwyddoniaeth dinasyddion ar draws y sefydliad. Sylwch fod angen i geisiadau am gyllid i CNC fynd drwy’r broses grantiau,... More
    Closes 31 December 2090

  • Cofrestr Prosiectau Gwyddoniaeth Dinasyddion

    Click to view this page in English Mae gwyddoniaeth ddinasyddion yn ffynnu ledled Cymru, ac rydym am sicrhau bod gennym ddealltwriaeth dda o’r prosiectau sy’n digwydd ar draws ein hamgylchedd naturiol. Mae’r gofrestr prosiectau yn darparu ffordd syml i grwpiau rannu gwybodaeth am eu gwaith, hyd yn oed pan nad ydyn nhw’n ceisio cymorth gan CNC. Mae hyn yn ein helpu i lunio darlun cliriach o weithgarwch ledled Cymru, ac i nodi themâu sy’n dod i’r amlwg yn... More
    Closes 31 December 2090

  • Citizen Science Project Register

    Click view this page in welsh Citizen science is thriving across Wales, and we want to ensure we have a good understanding of the projects taking place across our natural environment. The Project register provides a simple way for groups to share information about their work, even when they are not seeking support from NRW. This helps us build a clearer picture of activity across Wales and identify emerging themes in the evidence landscape. Purpose... More
    Closes 31 December 2090
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