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Abercorris Nature Reserve

Corris Uchaf, Machynlleth, SY20 9DB (map)
01248 351541
[email protected]
Abercorris Nature Reserve

Rhaeadr Abercorris Waterfall
This lovely, broadleaf woodland lies along the steep-sided Corris Valley, between Machynlleth and Dolgellau, and is managed by the North Wales Wildlife Trust. At just 2-acres in size, the canopy is dominated by Sessile Oak and Ash trees, with Holly and Hazel characterising much of the understorey.

Abercorris Nature Reserve is an ideal home for a diverse range of plants and animals. Greater rainfall in the area contributes to a high humidity, which accounts for the distinctive variety of ferns, lichens, liverworts and mosses. Lady Fern, Hard Fern and Lemon-Scented Fern are three of the rarer ferns that grow here, all of which rely on the woodlands deep shade and high humidity. Within slightly drier areas of Abercorris, you may be lucky enough to observe the Pearl-bordered Fritillary, an increasingly rare butterfly. Spring marks the arrival of both the Pied Flycatcher and the Spotted Flycatcher. Other typical woodland birds include the Great Spotted Woodpecker, the Treecreeper and the Common Chiffchaff. Both the Common Shrew and the Pygmy Shrew inhabit this woodland. The Pygmy Shrew is Britain's smallest mammal, weighing just 6g.

The turbulent Afon Deri runs through the nature reserve, and is an important spawning site for Atlantic Salmon, Sea Trout and Brown Trout. Along the riverbank you can spot various bird species, including Kingfishers, Dippers and Grey Wagtails. The stream is rich in aquatic invertebrates such as sedge fly larvae, stonefly nymphs and other insects; along with tiny Minnows, fish eggs and small fry, they serve as the main food supply for many of the river’s resident fish and birds.

A footpath runs through the site, travelling over the Afon Deri via a narrow footbridge; it is not suitable for wheelchair users or for prams and pushchairs. Parking is available at the nearby Corris Craft Centre, or you my want to drive a short distance up the road, towards Dolgellau, and park in the layby on the right-hand side of the road. A path from the layby takes you into the nature reserve.
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