Carreg Chwislen

Island in Caernarfonshire

Wales

Carreg Chwislen

Porth Ysgo Looking across towards Maen Gwenonwy.
Porth Ysgo Credit: Trevor Harris

Carreg Chwislen is a small island located off the coast of Caernarfonshire in Wales. It is situated in the Menai Strait, a narrow stretch of water that separates the Isle of Anglesey from mainland Wales. The island measures approximately 0.3 hectares in size and is largely uninhabited.

The name Carreg Chwislen translates to "Tooth Rock" in English, which accurately describes the island's appearance. It is characterized by its rocky terrain and prominent rock formations, which give it a unique and jagged appearance.

Access to Carreg Chwislen is limited due to its remote location and lack of infrastructure. The island is primarily visited by boaters, who are drawn to its natural beauty and peaceful atmosphere. It offers stunning views of the surrounding coastline and is a popular spot for birdwatching, as it serves as a nesting site for various seabird species.

The island is also known to have a rich maritime history, with remnants of shipwrecks occasionally being discovered in the surrounding waters. It is believed that Carreg Chwislen served as a navigational landmark for sailors in the past.

In terms of wildlife, Carreg Chwislen is home to a variety of coastal plants and small mammals. Seals can often be spotted basking on the nearby rocks, adding to the island's charm.

Overall, Carreg Chwislen is a picturesque and secluded island, offering a tranquil escape for nature enthusiasts and those seeking a break from the bustling mainland.

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Carreg Chwislen Images

Images are sourced within 2km of 52.799614/-4.6720642 or Grid Reference SH1925. Thanks to Geograph Open Source API. All images are credited.

Porth Ysgo Looking across towards Maen Gwenonwy.
Porth Ysgo
Looking across towards Maen Gwenonwy.
Farm building, Ysgo, Llanfaelrhys
Farm building, Ysgo, Llanfaelrhys
Church path, Eglwys Maelrhys Sant, Llanfaelrhys
Church path, Eglwys Maelrhys Sant, Llanfaelrhys
Eglwys Maelrhys Sant, Llanfaelrhys
Eglwys Maelrhys Sant, Llanfaelrhys
Eglwys Maelrhys Sant, Llanfaelrhys
Eglwys Maelrhys Sant, Llanfaelrhys
Through the Arch Window, Eglwys Maelrhys Sant, Llanfaelrhys
Through the Arch Window, Eglwys Maelrhys Sant, Llanfaelrhys
Altar, Eglwys Maelrhys Sant, Llanfaelrhys
Altar, Eglwys Maelrhys Sant, Llanfaelrhys
Brass memorials, Eglwys Maelrhys Sant, Llanfaelrhys
Brass memorials, Eglwys Maelrhys Sant, Llanfaelrhys
Eglwys Maelrhys Sant, Llanfaelrhys
Eglwys Maelrhys Sant, Llanfaelrhys
Ysgo from Llanfaelrhys church
Ysgo from Llanfaelrhys church
Crossroads near Llanfaelrhys
Crossroads near Llanfaelrhys
Porth Ysgo
Porth Ysgo
Incline Drum, Nant Mine Manganese mine.
Incline Drum, Nant Mine
Manganese mine.
Farmland near Llanfaelrhys Farmland on the Lleyn peninsula near Llanfaelrhys, Mynydd Rhiw with its radio masts can be seen in the background.
Farmland near Llanfaelrhys
Farmland on the Lleyn peninsula near Llanfaelrhys, Mynydd Rhiw with its radio masts can be seen in the background.
Eroding till with erratics Thick deposits of till reach almost to sea level here. Massive, erratic blocks of gabbro are being eroded from the clay-rich material to form an exceptional shoreline, and many more large boulders can be seen in precarious positions on the slope towards Porth Ysgo. While some of the boulders are quite rounded, implying transport for some distance, others are very fresh and angular. It appears that this material was channelled along the western side of Mynydd Rhiw and Mynydd Penarfynydd, from which they are clearly derived as they comprise spectacular gabbros. Once again my patient assistant is posing for scale. An interesting feature here are the remains of timbers still embedded in the ground from the jetty used for loading ships with manganese ore (see <a href="https://www.geograph.org.uk/photo/612104">SH2126 : View down the final incline towards the now disappeared pier at Nant y Gadwen</a>).
Eroding till with erratics
Thick deposits of till reach almost to sea level here. Massive, erratic blocks of gabbro are being eroded from the clay-rich material to form an exceptional shoreline, and many more large boulders can be seen in precarious positions on the slope towards Porth Ysgo. While some of the boulders are quite rounded, implying transport for some distance, others are very fresh and angular. It appears that this material was channelled along the western side of Mynydd Rhiw and Mynydd Penarfynydd, from which they are clearly derived as they comprise spectacular gabbros. Once again my patient assistant is posing for scale. An interesting feature here are the remains of timbers still embedded in the ground from the jetty used for loading ships with manganese ore (see SH2126 : View down the final incline towards the now disappeared pier at Nant y Gadwen).
Sea-washed boulders Massive boulders of gabbro eroded from till deposits on the nearby cliffs are being pounded by rough weather in a rising southerly gale. Not a lot of light, but a powerful image, I think. See also: <a href="https://www.geograph.org.uk/photo/4237802">SH2026 : Eroding till with erratics</a>.
Sea-washed boulders
Massive boulders of gabbro eroded from till deposits on the nearby cliffs are being pounded by rough weather in a rising southerly gale. Not a lot of light, but a powerful image, I think. See also: SH2026 : Eroding till with erratics.
Porth Llawenan
Porth Llawenan
Rock Outcrop Above Trwyn Talfarach
Rock Outcrop Above Trwyn Talfarach
Show me another place!

Carreg Chwislen is located at Grid Ref: SH1925 (Lat: 52.799614, Lng: -4.6720642)

Unitary Authority: Gwynedd

Police Authority: North Wales

What 3 Words

///composers.firework.kilowatt. Near Nefyn, Gwynedd

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Nearby Amenities

Located within 500m of 52.799614,-4.6720642
Source: PGS
Lat/Long: 52.8009897/-4.670886
Source: PGS
Lat/Long: 52.8013681/-4.6708587
Source: PGS
Lat/Long: 52.8014609/-4.6704327
Source: PGS
Lat/Long: 52.8013055/-4.6701309
Source: PGS
Lat/Long: 52.8010371/-4.6697239
Created By: dmgroom_coastlines
Source: PGS
Lat/Long: 52.800683/-4.670419
Source: PGS
Lat/Long: 52.8009858/-4.6776579
Source: PGS
Lat/Long: 52.8010846/-4.677411
Source: PGS
Lat/Long: 52.8011736/-4.6771754
Source: PGS
Lat/Long: 52.8012918/-4.6753586
Source: PGS
Lat/Long: 52.803451/-4.6702284
Barrier: kissing_gate
Bicycle: no
Horse: no
Motor Vehicle: no
Lat/Long: 52.8022129/-4.6778801
Barrier: kissing_gate
Bicycle: no
Horse: no
Motor Vehicle: no
Lat/Long: 52.8024984/-4.6725203
The data included in this document is from www.openstreetmap.org. The data is made available under ODbL.

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