Llyn Marchlyn Bach & Mawr & Carnedd y Filiast & Elidir Fawr

Start: Marchlyn, Deiniolen

Time: 6 to 7 hrs

Terrain: road, hillside, steep, rocky, scree paths.

Grade: Strenuous, Can be shortened.

Please click on the map to enlarge

The Marchlyn reservoir supply’s Dinorwic Power Station

(The largest underground power station in Europe).

 

 

Legendary.