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Allt Maenderyn

Hill, Mountain in Caernarfonshire

Wales

Allt Maenderyn

Ruined copper mine buildings near Plas Cwm Llan
Ruined copper mine buildings near Plas Cwm Llan Credit: Eric Jones

Allt Maenderyn is a prominent hill located in Caernarfonshire, a historic county in northwest Wales. Rising to an elevation of 329 meters (1,079 feet), it is classified as a mountain in the region. Situated within the Snowdonia National Park, Allt Maenderyn provides breathtaking panoramic views of the surrounding picturesque landscape.

The hill is composed mainly of sedimentary rocks, with a distinctive rugged and rocky terrain. It is covered in a variety of vegetation, including heather, grasses, and mosses, which add to its natural beauty. The hill is also home to a diverse array of wildlife, including birds, small mammals, and insects.

Allt Maenderyn offers numerous hiking and walking trails, attracting outdoor enthusiasts and nature lovers throughout the year. One popular route is the circular path that starts at the nearby village of Rhyd Ddu, winding its way up the hill and offering stunning vistas along the way. The ascent can be moderately challenging, with some steep sections, but the rewarding views from the summit make it well worth the effort.

The hill is steeped in local history and folklore, with ancient burial sites and ruins scattered throughout the area. It is said to be a place of mythical significance, with tales of legendary figures and ancient rituals associated with the hill.

Allt Maenderyn is not only a natural landmark but also a cultural treasure, cherished by locals and visitors alike for its scenic beauty, recreational opportunities, and rich heritage.

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Allt Maenderyn Images

Images are sourced within 2km of 53.054184/-4.0835493 or Grid Reference SH6052. Thanks to Geograph Open Source API. All images are credited.

Ruined copper mine buildings near Plas Cwm Llan
Ruined copper mine buildings near Plas Cwm Llan
Looking down from the old winding house
Looking down from the old winding house
Remains of the quarry reservoir
Remains of the quarry reservoir
The footpath above the quarry Leading over the bwlch (pass) to Cwm Llan.
The footpath above the quarry
Leading over the bwlch (pass) to Cwm Llan.
The ridge to Y Garn
The ridge to Y Garn
A spectacular viewpoint Bwlch Cwm Llan gives a good view into Cwm Llan. The Watkin Path to Yr Wyddfa passes through the quarries left of centre - it can just be seen.
A spectacular viewpoint
Bwlch Cwm Llan gives a good view into Cwm Llan. The Watkin Path to Yr Wyddfa passes through the quarries left of centre - it can just be seen.
Snowdon viewed from near Boston Lodge A distance of some 10 miles from the camera position, the geography of Cwm Glaslyn and Treath Mawr allows a clear view of the mountain.
Snowdon viewed from near Boston Lodge
A distance of some 10 miles from the camera position, the geography of Cwm Glaslyn and Treath Mawr allows a clear view of the mountain.
Y Lliwedd from Allt Maenderyn
Y Lliwedd from Allt Maenderyn
Snowdon Summit Station Throat The summit of the Snowdon Mountain Railway
Snowdon Summit Station Throat
The summit of the Snowdon Mountain Railway
Flush Bracket Benchmark, Snowdon Summit Detail of the Ordnance Survey flush bracket benchmark on the topograph on the summit of Snowdon. The Ordnance Survey trigonometrical column was demolished and replaced by a topograph (photograph <a href="https://www.geograph.org.uk/photo/7236077">SH6054 : Topograph on Snowdon Summit</a>); the flush bracket being incorporated into this. When in situ in the original Ordnance Survey column the flush bracket, benchmark number 10684, marked a height of 1086.002m above sea level (Ordnance Datum Newlyn), last levelled in 1961.
Flush Bracket Benchmark, Snowdon Summit
Detail of the Ordnance Survey flush bracket benchmark on the topograph on the summit of Snowdon. The Ordnance Survey trigonometrical column was demolished and replaced by a topograph (photograph SH6054 : Topograph on Snowdon Summit); the flush bracket being incorporated into this. When in situ in the original Ordnance Survey column the flush bracket, benchmark number 10684, marked a height of 1086.002m above sea level (Ordnance Datum Newlyn), last levelled in 1961.
Topograph on Snowdon Summit The Ordnance Survey trigonometrical column on the summit of Snowdon was demolished and replaced by a topograph; some Ordnance Survey hardware from the trigonometrical column and a meteorological station being incorporated into this. When in situ in the original Ordnance Survey column the flush bracket, benchmark number 10684, marked a height of 1086.002m above sea level (Ordnance Datum Newlyn), last levelled in 1961 (photograph <a href="https://www.geograph.org.uk/photo/7236031">SH6054 : Flush Bracket Benchmark, Snowdon Summit</a>). On a misty day, the three men standing idly chatting on the summit regrettably did not think that people waiting to take photographs was a good enough reason for them to consider moving politely to one side.
Topograph on Snowdon Summit
The Ordnance Survey trigonometrical column on the summit of Snowdon was demolished and replaced by a topograph; some Ordnance Survey hardware from the trigonometrical column and a meteorological station being incorporated into this. When in situ in the original Ordnance Survey column the flush bracket, benchmark number 10684, marked a height of 1086.002m above sea level (Ordnance Datum Newlyn), last levelled in 1961 (photograph SH6054 : Flush Bracket Benchmark, Snowdon Summit). On a misty day, the three men standing idly chatting on the summit regrettably did not think that people waiting to take photographs was a good enough reason for them to consider moving politely to one side.
A sunrise cloud inversion, looking at Y Wyddfa from Moel Siabod
A sunrise cloud inversion, looking at Y Wyddfa from Moel Siabod
Track under repair Trains on the Snowdon Mountain Railway could not make it all the way to the summit in 2022 for obvious reasons... Anglesey and the Menai Strait can be seen in the distance.
Track under repair
Trains on the Snowdon Mountain Railway could not make it all the way to the summit in 2022 for obvious reasons... Anglesey and the Menai Strait can be seen in the distance.
View from the top Looking approximately northeast from Snowdon summit. There was only about a 10-minute wait in the queue.
View from the top
Looking approximately northeast from Snowdon summit. There was only about a 10-minute wait in the queue.
View west from Snowdon summit... ...with Caernarfon Bay in the far distance.
View west from Snowdon summit...
...with Caernarfon Bay in the far distance.
Snowdon: at the top A few visitors out of several thousand on the mountain on a spectacular cloudless July day. The rocks at the summit are part of the bedded pyroclastic formation: igneous bedrock formed between 458.4 and 449 million years ago during the Ordovician period.
Snowdon: at the top
A few visitors out of several thousand on the mountain on a spectacular cloudless July day. The rocks at the summit are part of the bedded pyroclastic formation: igneous bedrock formed between 458.4 and 449 million years ago during the Ordovician period.
Enjoying the view Four hikers -- and a seagull -- survey the course of the Snowdon Ranger path in the middle-distance with the peak of Moel Eilio (726 m) farther back. In the far distance is the Menai Strait and Anglesey.
Enjoying the view
Four hikers -- and a seagull -- survey the course of the Snowdon Ranger path in the middle-distance with the peak of Moel Eilio (726 m) farther back. In the far distance is the Menai Strait and Anglesey.
Heading down A few of the numerous visitors to Snowdon begin their return journey on a spectacular July day. Llanberis and Llyn Padarn are in the distance and farther back, the Menai Strait and Britannia Bridge can be glimpsed.
Heading down
A few of the numerous visitors to Snowdon begin their return journey on a spectacular July day. Llanberis and Llyn Padarn are in the distance and farther back, the Menai Strait and Britannia Bridge can be glimpsed.
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Allt Maenderyn is located at Grid Ref: SH6052 (Lat: 53.054184, Lng: -4.0835493)

Unitary Authority: Gwynedd

Police Authority: North Wales

What 3 Words

///each.wanted.bookings. Near Llanberis, Gwynedd

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Allt Maenderyn Allt Maenderyn

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Nearby Amenities

Located within 500m of 53.054184,-4.0835493
Bwlch Maenderyn
Place: locality
Lat/Long: 53.0562077/-4.0854634
OpenStreetMap
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Allt Maenderyn
Place: locality
Lat/Long: 53.0538761/-4.08469
OpenStreetMap
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Allt Maenderyn
Ele: 704
Natural: peak
Lat/Long: 53.0542212/-4.0834101
OpenStreetMap
Google Maps
The data included in this document is from www.openstreetmap.org. The data is made available under ODbL.
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