Llyn Traffwll

Llyn Traffwll is a 91 acre natural lake located, in Anglesey, Wales.

Located midway between the villages of Rhosneigr and Valley it lies less than a kilometre south of the A55 North Wales Expressway.

[1] Along with the surrounding smaller lakes it is a Site of Special Scientific Interest[2] and is adjacent to the Valley Wetlands RSPB site.

[4] In late 2019 it was reported that a 300 acre Photovoltaic power station called Parc Solar Traffwl was planned to be constructed near the lake.

[5] The Welsh language novel Madam Wen, Arwes yr Ogof, written by William David Owen, is set by the lake.