Carnedd Llewelyn
5 classifications here — Current County/UA Top, Trail 100, Marilyn, HuMP and Simm — belong to lists OpenFell holds only part of, so they have no list page. See how far the coverage goes.

- Height
- 1064 m · 3,491 ft
- Prominence
- 750 m
- Grid reference
- SH 68364 64375
- Coordinates
- 53.16017, -3.97033
- County / area
- Conwy/Gwynedd
- Region
- Snowdonia
- OS Landranger
- 115
- OS Explorer
- OL17E OL17W
- Summit feature
- cairn
- Key col
- SH675604 (314 m)
About Carnedd Llewelyn
Carnedd Llewelyn, sometimes written Carnedd Llywelyn, is the high point of the Carneddau massif in north-west Snowdonia at 1,064 m. It sits on the Gwynedd–Conwy boundary, and by relative height it ranks second in Wales and 49th in the British Isles.
Background written from facts in the Wikipedia article on Carnedd Llewelyn (CC BY-SA 4.0). Heights, prominence and grid references come from the Database of British & Irish Hills, not from Wikipedia.
Access rights here
Conditional Right to roam: Right to roam only on mapped CRoW open access land.
Permission needed Wild camping: Permission needed everywhere.
General position for Wales — local byelaws, seasonal restrictions and closures can override it. Full details: access rights in Wales · check another location.
Daylight at this summit today
- Sunrise
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- Sunset
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- Daylight
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- Civil twilight ends
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Computed astronomically for 53.160, -3.970. Plan your finish with the daylight safety planner.
Summit weather live
Loading forecast for the summit (1064 m)…
Forecast adjusted to summit altitude. Weather data from MET Norway (CC BY 4.0).
Finding the summit
shelter 25m SW of cairn (SH 68376 64350) is 0.5m lower; ground at SH 68293 64476 and tors at SH 68233 64495 and SH 68194 64466 are all several metres lower.
The recorded summit point is cairn. That distinction matters on broad or flat tops, where the obvious cairn is not always the true high point.
- Survey method
- Abney level
- Record revised
- 30-Jun-08
- Drop measured from
- SH675604 · 314 m
Survey notes are field observations recorded in the Database of British & Irish Hills (v18.3, CC BY 4.0) by the hill-surveying community.
The Carnedd Llewelyn group
16 other listed summits sit in the same prominence group, with Carnedd Llewelyn as the independent hill at its head.
| Summit | Height | Drop |
|---|---|---|
| Carnedd Dafydd | 1,044 m | 114 m |
| Pen yr Ole Wen | 978 m | 45 m |
| Foel Grach | 975 m | 42 m |
| Yr Elen | 962 m | 54 m |
| Foel-fras | 944 m | 63 m |
| Garnedd Uchaf | 925 m | 33 m |
| Llwytmor | 849 m | 73 m |
| Pen yr Helgi Du | 833 m | 85 m |
| Bera Bach | 807 m | 18 m |
| Foel Meirch | 799 m | 17 m |
| Bera Mawr | 794 m | 30 m |
| Drum | 771 m | 48 m |
Twelve highest shown, of 16 in the group.
Grouping is by prominence alone: a summit belongs to the nearest higher Marilyn it connects to without a deeper intervening col. Over a large massif that can gather hills no one would walk in a single day, and which few would describe as parts of the same mountain — it is a measure of independence, not a suggested route.
Nearest listed peaks
| Peak | Height | Distance |
|---|---|---|
| Yr Elen | 962 m | 1.2 km |
| Foel Grach | 975.4 m | 1.6 km |
| Pen yr Helgi Du | 832.6 m | 1.9 km |
| Carnedd Dafydd | 1044 m | 2.5 km |
| Garnedd Uchaf | 925 m | 2.6 km |
| Foel Meirch | 798.7 m | 2.6 km |