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Nature & wildlife
Natural Resources Wales

Cors Erddreiniog Nature Reserve

Anglesey’s great fen near Capel Coch: orchids, 20 kinds of dragonfly and a 5km fen-and-pond walk.

Capel Coch
·
Central Anglesey
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Price
Free
Time needed
1-2 hours
Sat nav
Local tip

Cors Erddreiniog, near Capel Coch north of Llangefni, is a National Nature Reserve of fen, reed bed and pools. In summer it’s full of orchids (including the rare narrow-leaved marsh orchid), around 20 kinds of dragonfly and damselfly, and the rare marsh fritillary butterfly. Little Llyn yr Wyth Eiddion lake sits within the reserve.

Good to know

The Fen and Pond Walk is about 5.2km (1½ hours). Paths are unsurfaced and muddy after rain. Limited roadside parking in Capel Coch.

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Plan your visit

Where to go
Opening times
Prices
Booking
Not confirmed
Age suitability
Parking
Public transport
Walk
5.2 km Fen and Pond Walk
Easy
Capel Coch
Step-free access
Not confirmed
Access details
Toilets
Not confirmed
Facilities
Dogs
Allowed with restrictions
Dog rules
Keep dogs under close control near livestock.

Make a day of it

Walks & Coastal Path

Wygyr riverside walk and Cemaes Community Woodland

Gentle village walk in Cemaes along the Afon Wygyr, with benches, red squirrels and the ruins of an old brickworks, plus a 5-acre volunteer-run woodland with a pond.

Attractions & museums

South Stack Lighthouse (Ynys Lawd)

Trinity House’s 1809 lighthouse on its own islet off Holy Island, reached down (and back up) 400+ cliff steps and a bridge. Open weekends 10.30am–4.30pm from 31 October.

Attractions & museums

Beaumaris Courthouse (Llys Biwmares)

A courthouse from 1614 opposite Beaumaris Castle, used as an assize court until 1971 and now a museum run with the gaol by Beaumaris Town Council.

Details last checked
October 4, 2026
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