Natural landmarks · North Wales
Marchlyn Mawr
In or near Bethesda.
Marchlyn Mawr — reservoir lake in Gwynedd, Wales.

Wikimedia Commons contributors — see linked file page for photographer and licence licence
About
Marchlyn Mawr is a natural landmark in north. (Reservoir, former natural lake in Snowdonia, Wales.) Wikipedia notes: "Marchlyn Mawr reservoir is a high level lake in Snowdonia behind Elidir Fawr mountain. It is used as the high level water source for Dinorwig power station, a closed-loop pumped storage hydroelectric generating facility.". Coordinates 53.1371°, -4.0689°. Sources are credited at the bottom of this page.
- Coordinates
- 53.1371, -4.0689
Sources
- wikidata: Q3403893 (CC0)
- wikipedia: Marchlyn Mawr (CC BY-SA 4.0)
- commons: Marchlyn Mawr from Elidir Fawr - geograph.org.uk - 8192.jpg (CC BY-SA 4.0)
Nearby

Natural landmarks · North Wales
Foel-goch
Foel-goch — mountain (831m) in Gwynedd.

Archaeological sites · North Wales
Dinorwic Quarry
Dinorwic Quarry — large former slate quarry near Llanberis, Gwynedd, Wales and World Heritage Site.

UNESCO World Heritage · North Wales
The Slate Landscape of Northwest Wales
The Slate Landscape of Northwest Wales — UK World Heritage Site from July 2021.

Museums · North Wales
Dinorwig Slate Quarry Mountain Landscape
Dinorwig Slate Quarry Mountain Landscape — part of the World Heritage site “The Slate Landscape of Northwest Wales” in the United Kingdom.

Museums · North Wales
Quarry Hospital
Quarry Hospital is a museum in the United Kingdom.

Natural landmarks · North Wales
Llyn Idwal
Llyn Idwal — lake in Cwm Idwal, Conwy County Borough, Wales.