Win a £250 Welsh hamper - enter free →

×
What's OnYnys Môn
← Things to do
Nature & wildlife

Llyn Alaw

Anglesey’s biggest lake, inland near Llantrisant, with shore paths and winter flocks of whooper swans and ducks.

Llannerch-y-medd
·
Central Anglesey
DirectionsBook or visit websiteCallShare
Price
Free
Time needed
1-2 hours
Sat nav
Local tip
Visit between November and February for the swans.

Llyn Alaw is a large reservoir in the quiet middle of north Anglesey and a Site of Special Scientific Interest for wintering birds. In the colder months whooper swans, teal, shoveler and goldeneye gather here, and there are waymarked paths along part of the shore.

Good to know

Free. Facilities on site have changed over the years, so bring your own refreshments.

Read visitor reviews on Google

Plan your visit

Where to go
Opening times
Prices
Booking
Not confirmed
Age suitability
Parking
Public transport
Walk
Easy
Step-free access
Not confirmed
Access details
Toilets
Not confirmed
Facilities
Dogs
Not confirmed
Dog rules

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
Spotted something wrong? Tell us

Run this place? Claim the listing to update opening hours, photos and details, or to tell us it has closed.

Claim or update this listingPromote it