Elidir Fawr

About Elidir Fawr

Elidir Fawr closes the northern end of the Glyderau. The name means Big Elidir, after a legendary 6th-century warrior king also called Eliffer Gosgorddfawr, Elidir of the Great Army.

Marchlyn Mawr, the small lake to the north of the summit, serves as the upper reservoir of Dinorwig power station, a pumped-storage scheme built inside the mountain; water runs from it through large tunnels down to Llyn Peris. Seen from the north the mountain is conspicuous enough that it can look taller than the higher peaks beyond. Elidir Fach, 795 metres, lies just west.

Background written from facts in the Wikipedia article on Elidir Fawr (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 53.131, -4.076. Plan your finish with the daylight safety planner.

Finding the summit

The recorded summit point is rock c 25m SSW of windshelter. 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

SH626614 · 711 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.

Long-distance paths past this hill

One waymarked long-distance route runs within 2.5 km of the summit — useful if you are linking this hill into a longer walk, or want a made path for the approach.

Route lines © OpenStreetMap contributors (ODbL); distance from the summit computed by OpenFell.

The Elidir Fawr group

3 other listed summits sit in the same prominence group, with Elidir Fawr 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