Craig Cwm Silyn

About Craig Cwm Silyn

Craig Cwm Silyn is the high point of the Nantlle Ridge, the long chain of tops that runs across this corner of Snowdonia in Gwynedd. Its steep northern face draws climbers, and the summit gives an open view in every direction.

The ridge continues westwards over Garnedd Goch to finish at Mynydd Graig Goch. In the other direction it drops to a col at 515 m before climbing again over Mynydd Tal-y-mignedd, Trum y Ddysgl and Mynydd Drws-y-coed, ending at Y Garn above Nantlle.

Background written from facts in the Wikipedia article on Craig Cwm Silyn (CC BY-SA 4.0). Heights, prominence and grid references come from the Database of British & Irish Hills, not from Wikipedia.

Access rights here

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 53.029, -4.200. Plan your finish with the daylight safety planner.

Finding the summit

The recorded summit point is windshelter on ancient cairn. On broad or flat summits the obvious cairn is not always the true high point.

Survey method

Abney level

Record revised

28-Oct-01

Drop measured from

SH553496 · 336 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.

Get food nearby

3 places to eat or drink within 10 km of the summit, rated under the Food Hygiene Rating Scheme (Scotland runs its own Food Hygiene Information Scheme, a pass/fail equivalent).

Classifications and ratings are the local authority's own and can be coarse — this is a lead, not a guarantee of opening hours or that food is served to non-residents. Follow a name through to the official rating page to check, and confirm before you rely on it.

Food hygiene data from the Food Standards Agency and Food Standards Scotland (Open Government Licence v3.0). Distances and directions computed by OpenFell from the summit.

The Craig Cwm Silyn group

2 other listed summits sit in the same prominence group, with Craig Cwm Silyn as the independent hill at its head.

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