Llyn Mair
Set in the woods of the Vale of Ffestiniog, this ornamental lake lies beside the narrow-gauge railway near Tan-y-bwlch.
Llyn Mair is a llyn in Gwynedd. It sits inside Eryri National Park. The nearest railway station, Tan-y-Bwlch Ffestiniog, is under a kilometre away. The nearest other lake is Llyn Trawsfynydd, 6.2 km to the south-east.