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  • Visual Impact Provision: Snowdonia National Park

    • Snowdonia National Park was designated in 1951 and is the largest National Park in Wales. Snowdonia comprises of a varied landscape which includes mountain scenery, glacial valleys, extensive moorlands, and two coastal estuaries.

      The National Park is crossed by four of National Grid’s overhead lines. The independent landscape assessment concluded that one section of transmission line has landscape and visual impacts of very high importance. This subsection runs from the west coast at the Dwyryd Estuary near Porthmadog past Cilfor before climbing up towards the summit of Moel Tecwyn and beyond, finishing at the western side of Ceunant Llennyrch Valley.

      Promo Panel
      Title:  Snowdonia Options Study
      Sub Title:
      A study looking at the options to mitigate the impact of National Grid's transmission overhead line.
      Link to URL:   Read more
      A study looking at the options to mitigate the impact of National Grid's transmission overhead line.

      Read more
  •  Latest Project News

    At the Stakeholder Advisory Group meeting in September 2015, the section of line near Portmadog in Snowdonia National Park was prioritised as one of the four sections of line in England and Wales to be taken forward as a potential undergrounding project. This section of line is now subject to ongoing and detailed technical feasibility including ground engineering, environmental studies and archaeological surveys.

    We are continuing to work closely with Snowdonia National Park Authority and Gwynedd council as well as landowners and statutory  consultees. There will also be further significant engagement with local stakeholders and communities.

    Stakeholder engagement

    A significant amount of stakeholder work has been carried out in this area following the original landscape assessment in November 2014, including holding public drop in events in Penrhyndeudraeth and establishing a stakeholder reference group.  The Options Appraisal Study provides further detail on the progress that has been made on this project. This report can be downloaded above.

     Find out more

    A dedicated website has been established to support the project and the latest information on progress can be found by visiting this website. It is available in both English and Welsh language.

  • Snowdonia National Park