Mawddach River, [62].
Menai Bridge, [130].
Moel Siabod, [101].
Mortimer, Roger, Earl of Wigmore, [28].
Morwynion, Llyn, [65].
Nannau Park, [59].
Offa’s Dyke, [29].
Ogwen Llyn, and Falls of Benclog, [101], [102].
Orme’s Head, the Great, [126].
Padarn Llyn, [97].