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Cadair Berwyn (Berwyn)


Quick Facts
This is the height of the mountain above sea level. However, on the climb, it is the ascent that matters, i.e. the sum of all the uphill parts of the route.
830 m (2723 ft)

This is the standard notation used on Ordnance Survey Landranger maps.

Each reference consists of two letters identifying a 100,000 metre square block then three digits defining the Easting and finally the three digits defining the Northing with reference to the South West corner of the block.

NN166712 is the grid reference for the summit of Ben Nevis. Where you are given the map number ( For Ben Nevis = 41) it is acceptable to omit the two initial letters e.g. 166712. (Instructions on how to read the references are given on the OS maps).

Grid Ref.
An indication of this mountains height rank within its class. Where two mountains share the same height they are ordered alphabetically.
The number of ascent routes currently available on Munromagic.
Mountain names are usually in Gaelic, the native language of the Scottish Highlands, or have been derived from the old Scots and Norse languages. We give the most commonly accepted meaning, but accept that some of these are disputed.
Berwyn's chair

The UK is covered by 204 Ordnance Survey Landranger 1:50,000 scale maps. Maps numbered 1 to 86 cover Scotland but for the highest mountains (Munros) only 23 maps are required. The name given roughly describes the area covered by the map.

OS Landranger Maps Required
  125   Bala & Lake Vyrnwy, Berwyn

A description of the characteristics of the mountain including any hazards of which you should be aware.

Cadair Berwyn (2500ft+) is located SW of Llangollen and E of Bala, an area of largely crag-free rolling upland outside the Snowdonia National Park (Wales) and on the watershed between the rivers Dee (to N and W) and Severn (S).

The summit is shown on maps only as an 830m contour, 350m SSW of the trig point. S of the summit is Moel Sych (827m), from where a track descends S to Tan-y-pistyll in the Rhaeadr valley. From the trig point the main ridge continues NNE for 1 km then divides: its N branch descends to a col then rises again to Cadair Bronwen (784m), whereas its E branch, the Dee/Severn watershed, descends to another col then rises to Tomple (742m) and continues a further 4 km over Foel Wen (691m) and Mynydd Tarw (681m) to Rhos (619m). Along the ridge, from Moel Sych almost to the high pass of Bwlch Maen Gwynedd there are crags E of and just below the ridge.

From the summit another ridge runs SE over the minor rise of Moel yr Ewig and continues as a broad and almost level plateau 2.6 km SE to Godor (697m), from where a descent can be made E to Cwm Maen Gwynedd.

Hazards you may encounter on Cadair Berwyn include
 Crags near summit.
General Considerations
 Temperature decreases by 1degree C for every 100m of ascent.
 Wind usually increases with altitude.
 Visibility can change markedly with cloud level.
 River/Stream levels can increase markedly in one day.
A special thank you to David S Brown for his work on this and all of the England/Wales information.
Picture Gallery for Cadair Berwyn

A selection of weather forecasts local to #GetMountain.Top_Name#.

Ordnance Survey digital maps are also available to members.

 Weather & OS Maps
by MWIS (PDF format)
by Met Office
Cader Idris
by Metcheck
Cadair Berwyn Area Map
Legend  Munro  Corbett  Graham  English/Welsh Top  Accommodation

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The summary information of one or more ascent routes that include Cadair Berwyn.

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 Routes that include Cadair Berwyn
  Ascent Distance Time Including... Description Rating
1 890 m 14.85 km 4.5 hrs Cadair Berwyn  A long route on easy terrain, out on broad grassy ridges above crags, to a relatively remote mountain, returning on rough road (track). Note the summit is 350m S of the trig point. Care required in finding the route through crags onto Moel yr Ewig. Not Yet Rated 

Pictures submitted by members on the summit of Cadair Berwyn

 Baggers Gallery for Cadair Berwyn

Angela beside the trig point on Cadair Berwyn, with the summit top to right, 21st May 2012.

© David S Brown

Image by David S Brown
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