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Feature count in area: 24, by county: : 23, Anglesey [Sir Fon] (CoH) Anglesey [Sir F: 1,
Highest Place: Yr Eifl 560.7m
Starting Places in area Anglesey and the Lleyn Peninsula:
None for this area
Summits & other features in area Anglesey and the Lleyn Peninsula:
Moel Bronmiod 416m, Tre'r Ceiri 485.3m
Anglesey: Bwrdd Arthur 164m, Mynydd Bodafon [Yr Arwydd] 178m, Mynydd Eilian 177m, Mynydd y Garn 170m
Bardsey Island: Mynydd Enlli 167m
Holy Island (Anglesey): Holyhead Mountain 220m
Lleyn Peninsula: Bwlch Mawr 510.3m, Carn Fadryn 371m, Carneddol 235m, Carreglefain 261m, Foel 221.3m, Garn Boduan 279m, Gyrn Ddu 522m, Gyrn Goch 492m, Moel-y-gest 263m, Mynydd Anelog 191.4m, Mynydd Carnguwch 357.6m, Mynydd Cennin 262.1m, Mynydd Cilan 117m, Mynydd Rhiw 304m, Yr Eifl 560.7m, Yr Eifl North Top [Pen Bwlch yr Eifl] 444m
Note: this list of places may include island features such as summits, but not islands as such.
Highest Place: Yr Eifl 560.7m
Starting Places in area Anglesey and the Lleyn Peninsula:
None for this area
Summits & other features in area Anglesey and the Lleyn Peninsula:
Moel Bronmiod 416m, Tre'r Ceiri 485.3m
Anglesey: Bwrdd Arthur 164m, Mynydd Bodafon [Yr Arwydd] 178m, Mynydd Eilian 177m, Mynydd y Garn 170m
Bardsey Island: Mynydd Enlli 167m
Holy Island (Anglesey): Holyhead Mountain 220m
Lleyn Peninsula: Bwlch Mawr 510.3m, Carn Fadryn 371m, Carneddol 235m, Carreglefain 261m, Foel 221.3m, Garn Boduan 279m, Gyrn Ddu 522m, Gyrn Goch 492m, Moel-y-gest 263m, Mynydd Anelog 191.4m, Mynydd Carnguwch 357.6m, Mynydd Cennin 262.1m, Mynydd Cilan 117m, Mynydd Rhiw 304m, Yr Eifl 560.7m, Yr Eifl North Top [Pen Bwlch yr Eifl] 444m
Note: this list of places may include island features such as summits, but not islands as such.
Place Rating ..
Grid Reference SH40115 46784, OS 1:50k mapsheet 115 123
Place visited by: 7 members, recently by: rhw, oakesave, IainT, Fergalh, MichaelE, chalky, jimbloomer
I visited this place: NO
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Short or GPS IDs, 6 char: GyrnDd, 10 char: Gyrn Ddu
Linkback: https://mountainviews.ie/summit/B1952/
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Add a Place Comment for Gyrn Ddu 
Steep descent and steep ascent from east
by Fergalh
29 Mar 2021
From Gryn Goch head south east and than south west following the wall. A steep descent followed by a steep ascent leads to rocky summit marked with a cairn. Follow the same route back to starting point Linkback: mountainviews.ie/summit/B1952/comment/22736/
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The view west on the descent from Gyrn Goch
by Fergalh
29 Mar 2021
Reminiscent of the Mourne wall hard to get lost on this hill no matter how much fog once this is in sight ! Linkback: mountainviews.ie/summit/B1952/comment/22737/
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British summit data courtesy:
Database of British & Irish Hills
Database of British & Irish Hills