Paired with Llyn Padarn at Llanberis, it is the lower reservoir of the Dinorwig pumped-storage station inside the mountain.
Llyn Peris is a llyn in Gwynedd. For arrivals by rail, Bangor (Gwynedd) Station is 12.3 km to the north. Other lakes & lochs nearby include Llyn Padarn and Llyn Idwal.
