Marchlyn Mawr Instrumentation Area

Marchlyn Mawr Instrumentation Area is a bunker in Llanddeiniolen, Gwynedd, Wales. Marchlyn Mawr Instrumentation Area is situated nearby to the peak Elidir Fawr, as well as near the reservoir Marchlyn Bach.

Places of Interest Nearby

Highlights include Marchlyn Mawr and Elidir Fawr.

Marchlyn Mawr

Reservoir

Photo: dave roberts, CC BY-SA 2.0.

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.

Elidir Fawr

Peak

Photo: SeraaronArt, CC BY-SA 4.0.

Elidir Fawr is a mountain in Snowdonia, north Wales, the northernmost peak in the Glyderau. Its name means 'Big Elidir', named after a legendary warrior king of the 6th century also known as Eliffer Gosgorddfawr.

Marchlyn Bach

Reservoir

Photo: Eric Jones, CC BY-SA 2.0.

Marchlyn Bach is a reservoir.

Places in the Area

Nearby places include Dinorwig and Deiniolen.

Dinorwig

Village

Photo: Eric Jones, CC BY-SA 2.0.

Dinorwig, historically spelled as Dinorwic in English, is a village located high above Llyn Padarn, near Llanberis, in Wales. The name is shared with the fort of Dinas Dinorwig, also within the community of Llanddeiniolen, on a foothill 6 kilometres from Dinorwig village and 3 kilometres from the Menai Strait and also with Port Dinorwic, the anglicised name of Y Felinheli. Dinorwig is situated 1½ miles west of Marchlyn Mawr Instrumentation Area.

Deiniolen

Village

Photo: Ian Greig, CC BY-SA 2.0.

Deiniolen is a village in Gwynedd, Wales, at the foot of Elidir Fawr, in Llanddeiniolen Community. Deiniolen has views over Caernarfon and on a clear day, Holyhead Mountain and occasionally the Wicklow Mountains in Ireland, can be seen. Deiniolen is situated 2 miles west of Marchlyn Mawr Instrumentation Area.