Llyn Llaethdy

Lake, Pool, Pond, Freshwater Marsh in Anglesey

Wales

Llyn Llaethdy

Great opencast from the viewing point on Parys Mountain Copper ore has been mined here from the early Bronze Age.
Great opencast from the viewing point on Parys Mountain Credit: Richard Hoare

Llyn Llaethdy is a picturesque freshwater marsh located in Anglesey, Wales. Spread over an area of approximately 20 acres, it is known for its tranquil surroundings and diverse ecosystem. The name "Llyn Llaethdy" translates to "Dairy Pool" in English, which is believed to have originated from its historical association with a nearby dairy farm.

The lake is primarily fed by rainfall and a small stream that flows through the marsh. Due to its shallow nature, it is often referred to as a pool or pond rather than a traditional lake. The water in Llyn Llaethdy is clear and fresh, supporting a variety of aquatic life including fish, amphibians, and numerous species of waterfowl.

Surrounded by lush green vegetation and reed beds, the marsh area of Llyn Llaethdy provides a suitable habitat for a wide range of plant and animal species. The presence of tall grasses, sedges, and rushes contributes to the overall biodiversity of the area, attracting various insects and birds.

Llyn Llaethdy is a popular destination for nature enthusiasts and birdwatchers, offering opportunities for leisurely walks and bird spotting. The tranquil ambiance and beautiful scenery make it an ideal location for relaxation and contemplation.

Overall, Llyn Llaethdy is a charming freshwater marsh that showcases the natural beauty of Anglesey. Its diverse ecosystem, clear waters, and abundant flora and fauna make it a haven for wildlife and a delightful destination for visitors seeking a peaceful retreat in nature.

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Llyn Llaethdy Images

Images are sourced within 2km of 53.39759/-4.3444738 or Grid Reference SH4491. Thanks to Geograph Open Source API. All images are credited.

Great opencast from the viewing point on Parys Mountain Copper ore has been mined here from the early Bronze Age.
Great opencast from the viewing point on Parys Mountain
Copper ore has been mined here from the early Bronze Age.
Trig point Parys Mountain The flush bracket revealing OS BM S7305. <a href="https://www.geograph.org.uk/photo/4637442">SH4490 : OS Flush bracket on Parys Mountain</a>
Trig point Parys Mountain
The flush bracket revealing OS BM S7305. SH4490 : OS Flush bracket on Parys Mountain
Five sailed windmill Parys Mountain Built 1878 to help pump water from the mine.
Five sailed windmill Parys Mountain
Built 1878 to help pump water from the mine.
Panorama of Amlwch From the windmill on Parys Mountain.
Panorama of Amlwch
From the windmill on Parys Mountain.
OS Flush bracket on Parys Mountain On the trig point revealing OS BM S7305.<a href="https://www.geograph.org.uk/photo/4636587">SH4490 : Trig point Parys Mountain</a>
OS Flush bracket on Parys Mountain
On the trig point revealing OS BM S7305.SH4490 : Trig point Parys Mountain
Ruins of Mona Mine Yard Originally the offices, smithy, mortuary and stores were the focus of the mine's surface activities.
Ruins of Mona Mine Yard
Originally the offices, smithy, mortuary and stores were the focus of the mine's surface activities.
Five Sailed Windmill Located at Parys Mountain The windmill itself was built in the year 1878 upon the summit of Parys Mountain. The unique and unusual design of the windmill meant that it had 5 sails. Currently the building is used as a sheltered information site.
Five Sailed Windmill Located at Parys Mountain
The windmill itself was built in the year 1878 upon the summit of Parys Mountain. The unique and unusual design of the windmill meant that it had 5 sails. Currently the building is used as a sheltered information site.
Sampling Pool located at Parys Mountain The sampling pools would have been able to collect up to 50 tonnes per year of dissolved copper which was recovered by precipitation in addition to scrap iron.
Sampling Pool located at Parys Mountain
The sampling pools would have been able to collect up to 50 tonnes per year of dissolved copper which was recovered by precipitation in addition to scrap iron.
Inner harbour Porth Amlwch
Inner harbour Porth Amlwch
Green buoy at Porth Amlwch
Green buoy at Porth Amlwch
Track on Parys Mountain The heather is starting to come to the fore adding to the colours of the scenery.
Track on Parys Mountain
The heather is starting to come to the fore adding to the colours of the scenery.
Sampling pool The sampling pools would have been able to collect up to 50 tonnes per year of dissolved copper which was recovered by precipitation in addition to scrap iron
Sampling pool
The sampling pools would have been able to collect up to 50 tonnes per year of dissolved copper which was recovered by precipitation in addition to scrap iron
Hillside Opencast Disused opencast mine.
Hillside Opencast
Disused opencast mine.
Melin Adda, Pentrefelin Thought to have been constructed sometime in the 1790s. It closed in 1912. Now converted to a dwelling.
Melin Adda, Pentrefelin
Thought to have been constructed sometime in the 1790s. It closed in 1912. Now converted to a dwelling.
Disused Railway, Amlwch This line led to the Associated Octel/Great Lakes Chemicals bromine production plant.
Disused Railway, Amlwch
This line led to the Associated Octel/Great Lakes Chemicals bromine production plant.
Hammer Stones These are located underground in old bell pits that date from the Bronze Age.  Peat/vegetation remains associated with these are carbon dated to approximately 3500 years ago. They were used to pound against the rock to break it up. The stones are geologically different to the rocks of the mine and are thought to  originate from Porth Wen nearby.
Hammer Stones
These are located underground in old bell pits that date from the Bronze Age. Peat/vegetation remains associated with these are carbon dated to approximately 3500 years ago. They were used to pound against the rock to break it up. The stones are geologically different to the rocks of the mine and are thought to originate from Porth Wen nearby.
Level crossing gates closed The redundant and disused line which led to the Associated Octel/Great Lakes Chemicals bromine production plant.
<a href="https://www.geograph.org.uk/photo/5024465">SH4493 : Level crossing gates closed (2)</a>
Level crossing gates closed
The redundant and disused line which led to the Associated Octel/Great Lakes Chemicals bromine production plant. SH4493 : Level crossing gates closed (2)
Level crossing gates closed (2) The redundant and disused line which led from the Associated Octel/Great Lakes Chemicals bromine production plant. 
<a href="https://www.geograph.org.uk/photo/5024460">SH4493 : Level crossing gates closed</a>
Level crossing gates closed (2)
The redundant and disused line which led from the Associated Octel/Great Lakes Chemicals bromine production plant. SH4493 : Level crossing gates closed
Show me another place!

Llyn Llaethdy is located at Grid Ref: SH4491 (Lat: 53.39759, Lng: -4.3444738)

Unitary Authority: Isle of Anglesey

Police Authority: North Wales

What 3 Words

///unwanted.towns.crackles. Near Amlwch, Isle of Anglesey

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Nearby Amenities

Located within 500m of 53.39759,-4.3444738
Power: pole
Lat/Long: 53.395042/-4.3446238
Power: pole
Lat/Long: 53.395002/-4.3505703
Power: pole
Lat/Long: 53.3956946/-4.3425666
Power: pole
Lat/Long: 53.3977484/-4.3469032
Power: pole
Lat/Long: 53.3969836/-4.3479256
Power: pole
Lat/Long: 53.3946678/-4.3457021
Power: pole
Lat/Long: 53.4001262/-4.3437119
Power: pole
Lat/Long: 53.3962307/-4.3409701
Power: pole
Lat/Long: 53.3940472/-4.347593
Power: pole
Lat/Long: 53.4017253/-4.3415876
Power: pole
Lat/Long: 53.4009002/-4.3426685
Power: tower
Lat/Long: 53.3967134/-4.3394981
Power: pole
Lat/Long: 53.3992898/-4.3448304
Power: pole
Lat/Long: 53.3982951/-4.3461741
Power: pole
Lat/Long: 53.3962735/-4.3488859
Power: pole
Lat/Long: 53.3953768/-4.3500738
Power: pole
Lat/Long: 53.3985443/-4.3458375
Power: pole
Lat/Long: 53.4016706/-4.3422488
Power: pole
Lat/Long: 53.4010197/-4.3431339
Power: pole
Lat/Long: 53.4003865/-4.3439627
Power: pole
Lat/Long: 53.3999659/-4.3450544
Power: pole
Lat/Long: 53.3994046/-4.3464652
Power: pole
Lat/Long: 53.3996157/-4.3465671
Power: pole
Lat/Long: 53.398906/-4.3464926
Power: tower
Lat/Long: 53.3986443/-4.3380786
Power: pole
Lat/Long: 53.3938667/-4.3436551
Power: pole
Lat/Long: 53.3935964/-4.3424293
Barrier: kissing_gate
Source: survey;gps
Lat/Long: 53.3996848/-4.3383432
The data included in this document is from www.openstreetmap.org. The data is made available under ODbL.

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