Mynydd Mawr

About Mynydd Mawr

Mynydd Mawr is a 534-metre hill in Powys, Wales, in the area between Bala and Welshpool. It shares its name with Llanarmon Mynydd Mawr — a name translating roughly as 'St Garmon's church on the Great Mountain' — an isolated rural parish of around forty people whose scattered settlement occupies south-facing slopes of the Berwyn Mountains, high in the upper Tanat Valley.

Background written from facts in the Wikipedia article on Llanarmon Mynydd Mawr (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 52.848, -3.289. Plan your finish with the daylight safety planner.

Finding the summit

The recorded summit point is overgrown rock edge 5m W of trig point. 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

SJ141305 · 430 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.

Which hill this one belongs to

Mynydd Mawr is not counted as an independent hill in its own right. In prominence terms it belongs to Cadair Berwyn (832 m) — the nearest Marilyn you can reach from this summit without first dropping below its key col, 430 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