Yr Arddu

About Yr Arddu

Yr Arddu is a 589-metre summit in the Moelwynion in Eryri (Snowdonia), its height confirmed by a survey in March 2007. It should not be confused with the separate summit known as Yr Arddu (South).

Background written from facts in the Wikipedia article on Yr Arddu (North) (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 53.037, -3.980. Plan your finish with the daylight safety planner.

Finding the summit

The recorded summit point is rib of rock 5m NE of 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

23-Oct-23

Drop measured from

SH667500 · 550 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.

Reaching Yr Arddu by train

3 National Rail stations sit within 8 km of the summit — close enough to make a car-free day of it. Distances are straight lines, not walking routes.

Each station page lists every hill in its reach, long-distance paths from the door and a live-times link — see all stations with hills in reach. Station positions from NaPTAN (OGL v3.0).

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.

Which hill this one belongs to

Yr Arddu is not counted as an independent hill in its own right. In prominence terms it belongs to Allt-fawr (698 m) — the nearest Marilyn you can reach from this summit without first dropping below its key col, 550 m.

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