Wales · Eryri National Park

Glasgwm

HewittNuttallMarilynHuMPSimm

3 classifications here — 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
779 m · 2,556 ft
Grid reference
SH 83677 19459
Coordinates
52.76015, -3.72527
County / area
Gwynedd
OS Landranger
124 125
OS Explorer
OL23E
Summit feature
large conical cairn
Key col
SH 8413 1999 (564 m)

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 52.760, -3.725. Plan your finish with the daylight safety planner.

Summit weather live

Loading forecast for the summit (779 m)…

Forecast adjusted to summit altitude. Weather data from MET Norway (CC BY 4.0).

Finding the summit

The recorded summit point is large conical cairn. On broad or flat summits the obvious cairn is not always the true high point.

Survey method
obvious summit
Record revised
12-Sep-15
Drop measured from
SH 8413 1999 · 564 m

Classification history: Trimble Geo XH6000 survey carried out on bwlch only.

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).

Rated places to eat within 10 km of Glasgwm
PlaceTypeRatingDistance
The Buckley Arms HotelHotel/bed & breakfast/guest house5 out of 55.9 km · SE
Caffi CarysRestaurant/Cafe/Canteen5 out of 57.4 km · SE
Cacennau Cil Y CoedRestaurant/Cafe/Canteen5 out of 57.6 km · W

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 Glasgwm group

4 other listed summits sit in the same prominence group, with Glasgwm as the independent hill at its head.

Listed summits in the Glasgwm prominence group
SummitHeightDrop
Pen y Brynfforchog685 m71 m
Y Gribin601 m34 m
Pen Ochr y Bwlch564 m34 m
Foel Benddin542 m99 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

PeakHeightDistance
Waun Camddwr621.7 m1.5 km
Y Gribin600.5 m1.9 km
Gwaun y Llwyni685.5 m2.3 km
Pen y Brynfforchog684.9 m2.4 km
Pen yr Allt Uchaf630.1 m3.4 km
Foel Benddin541.9 m3.4 km