Coed Tremadog

Coed Tremadog National Nature Reserve is located near

Porthmadog Porthmadog (; ), originally Portmadoc until 1974 and locally as "Port", is a Welsh coastal town and community in the Eifionydd area of Gwynedd and the historic county of Caernarfonshire. It lies east of Criccieth, south-west of Blaenau Ffest ...

Gwynedd Gwynedd (; ) is a county and preserved county (latter with differing boundaries; includes the Isle of Anglesey) in the north-west of Wales. It shares borders with Powys, Conwy County Borough, Denbighshire, Anglesey over the Menai Strait, and C ...

Wales Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–England border, east, the Irish Sea to the north and west, the Celtic Sea to the south west and the ...

. Its most striking features are huge volcanic

cliffs In geography and geology, a cliff is an area of rock which has a general angle defined by the vertical, or nearly vertical. Cliffs are formed by the processes of weathering and erosion, with the effect of gravity. Cliffs are common on co ...

which drop down to steep slopes of

scree Scree is a collection of broken rock fragments at the base of a cliff or other steep rocky mass that has accumulated through periodic rockfall. Landforms associated with these materials are often called talus deposits. Talus deposits typically ha ...

beneath. The rocks at the reserve are very unstable, and there is a significant danger from

rockfall A rockfall or rock-fallWhittow, John (1984). ''Dictionary of Physical Geography''. London: Penguin, 1984. . is a quantity/sheets of rock that has fallen freely from a cliff face. The term is also used for collapse of rock from roof or walls of min ...

s. Although the site is dry and sunny, the deep rocky

ravine A ravine is a landform that is narrower than a canyon and is often the product of streambank erosion.moss Mosses are small, non-vascular flowerless plants in the taxonomic division Bryophyta (, ) '' sensu stricto''. Bryophyta (''sensu lato'', Schimp. 1879) may also refer to the parent group bryophytes, which comprise liverworts, mosses, and hor ...

es and

liverwort The Marchantiophyta () are a division of non-vascular land plants commonly referred to as hepatics or liverworts. Like mosses and hornworts, they have a gametophyte-dominant life cycle, in which cells of the plant carry only a single set of g ...

s to thrive. National nature reserves in Wales Nature reserves in Gwynedd Porthmadog {{National nature reserves in Wales