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Moelwyn Mawr
Mountain/Rock

Moelwyn Mawr

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Moelwyn Mawr

Page Type: Mountain/Rock

Location: Snowdonia, Wales, Europe

Lat/Lon: 52.98410°N / 3.99984°W

Object Title: Moelwyn Mawr

County: Gwynedd

Activities: Hiking, Mountaineering, Scrambling

Season: Spring, Summer, Fall, Winter

Elevation: 2526 ft / 770 m

 

Page By: Nanuls

Created/Edited: Dec 10, 2010 / Apr 14, 2011

Object ID: 683911

Hits: 2289 

Page Score: 93.81%  - 44 Votes 

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Overview


"Here among innumerable summits, and rising peaks of nameless hills, we saw the famous Kader-Idricks [Cadair Idris], which some are of opinion, is the highest mountain in Britain, another call'd Rarauvaur [Aran Fawddwy], another call'd Mowylwynda [Moelwyn Mawr], and still every hill we saw, we thought was higher than all that ever we saw before."

Daniel Defoe - Tour Through the Whole Island of Great Britain (1727)

Despite its somewhat assuming title, Moelwyn Mawr (Big White Bare Hill in Welsh) isn’t the biggest mountain in the Moelwynion (Bare White Hills); that honour goes to Moel Siabod, which is located some way to its north. There appears to be a tendency for this kind of misnaming in Snowdonia; perhaps a result of the inability of the area’s early inhabitants to accurately measure their surroundings, as is indicated by Defoe’s above quote. This shouldn’t detract from its appeal however, as Moelwyn Mawr is one of the range’s finest little peaks, with a summit that affords spectacular views in every direction.

While the mountain itself offers northing in the form of rock climbing, though it can be found nearby, a walk to the summit provides one of the most interesting hikes in the region. Whether starting from Cwm Croesor or the Vale of Ffestiniog, one will pass the ruins of a once bustling slate industry. Adits, shafts, quarries, buildings and tramlines abound, and in places, the detritus of these activities has been built up to form rising terraces of slate along the hillsides, which may momentarily, give the impression that the mountains were once occupied by some Mesoamerican civilisation, rather than subjugated Welsh quarrymen.

The mountain is best climbed in combination with some of the localities other peaks. If starting in Cwm Croeso, then a horseshoe of said Cwm can be made by including Cnicht in the walk. If starting from Tanygrisiau, then including Moelwyn Bach by means of Craigysgafn, makes another good horseshoe, this time, around the mountain’s dammed lake, Llyn Stwlan. There’s much to explore here, just make sure that you don’t disappear down some hole, it’s a maze down there – you may never come out!

Moelwyn Bach (left) and Moelwyn Mawr (right) (Photo by mills)

Mountain Conditions

This section displays the weather forecast for Tanygrisiau, which is located to the south and is one of the nearest towns to Moelwyn Mawr. Remember that Tanygrisiau sits at 200m above sea level, whereas the summit of Moelwyn Mawr reaches 770m. This means that when looking at temperature the adiabatic lapse rate must be taken into account, which in Wales is a drop in temperature of between 0.5 and 1°C per 100m in altitude. Exposure and wind speed can also significantly lower temperatures.

When to Climb and Essential Gear

Moelwyn Mawr can be climbed at anytime of the year, however in poor conditions the mountain may be best avoided. April to September offer the most reliable conditions and one will need all the equipment one usually carries for a day in the mountains, which in Wales means full waterproofs and sturdy boots as a minimum.

If you’re lucky enough to climb the mountain in winter conditions then an ice axe and crampons would be very useful.

Getting There

Moelwyn Mawr is located in the southern Moelwynion, between the valleys of Cwm Croesor in the west and the Vale of Ffestiniog in the east. The mountain can be approached from either of these valleys, both giving an interesting walk in.

Cwm Croesor may only be reached from the south. If you’re coming from the east therefore, leave the A487 in Penrhyndeudraeth (SH 611 389) and take the A4085 north in the direction of Beddgelert (SH 590 481). Just after the village of Garreg (SH 612 416), there is a right hand turn (SH 614 420), which is signposted for the village of Croesor (SH 630 447). The village is reached after around 3km. Park in the small National Park run car park in the village.

If you’d rather start your walk from the Vale of Ffestiniog, the most convenient starting point is the small car park just above the village of Tanygrisiau. To reach it, leave the A470 at the roundabout in Blaenau Ffestiniog (SH 697 460) and take the A496 in a southerly direction over the railway line. Continue along the A496 for a kilometre or so to a small junction on the right hand side (SH 688 448). Take this junction and then turn left immediately, following the signs for the Ffestiniog Power Station; 500 metres down the road there’s a café on the left hand side; it’s a great place to start and end a day in the hills. Pass the café and follow the curving road up the hill to the car park at the top of Tanygrisiau (SH 683 453).


Moelwyn Mawr
Moelwyn Mawr
(Photo by Bryan Benn)
Moelwyn Mawr
Moelwyn Mawr
(Photo by daveyboy)
Moelwyn Mawr and Moelwyn Bach
Moelwynion
(Photo by Bryan Benn)

Red Tape and Access

No red tape here!

Although unlikely it's worth checking the countryside access map provided by the Countryside Council for Wales (CCW) regarding whether or not any restrictions on movement in the area are in place.

Countryside Access Map

For climbers, hill walkers and mountaineers, the British Mountaineering Council (BMC) runs a Regional Access Database, which holds mountain/crag specific information on matters of conservation and access, including issues such as nesting restrictions, nature designations and preferred parking.

Regional Access Database

If you are in any doubt about any particular access arrangement, or need to report an incident, you should contact your local BMC Access Representative or the BMC Access Officers for Wales: Elfyn Jones.


Moelwyn Mawr from Moelwyn Bach
Moelwyn Mawr
(Photo by daveyboy)
Large Caves North of Moelwyn Mawr
Old slate workings
(Photo by daveyboy)
Moelwyn Mawr Trig Point
Summit trig point
(Photo by daveyboy)

Camping and Accommodation

There’s an almost unlimited supply of accommodation within the Snowdonia National Park so it would be inappropriate to list it all here. For budget accommodation it’s worth checking out some of the following sites:

Youth Hostel Association in Wales
Independent Hostel Guide
Campsites in Gwynedd

Maps

Open Space Web-Map builder Code
Navigation Maps

OS 1:25k Explorer Series OL 17 Snowdon/Yr Wyddfa

OS 1:25k Explorer Series OL 18 Harlech, Porthmadog & Bala/Y Bala

OS 1:50k Landranger Series 115 Snowdon/Yr Wyddfa

OS 1:50k Landranger Series 124 Porthmadog & Dolgellau

Harvey Map Services 1:25k Snowdon and the Moelwynion

Harvey Map Services 1:50k Snowdonia British Mountain Map

Road Maps

OS Road Map 9 Wales/Cymru & West Midlands

Guidebooks

Snowdonia (Official National Park Guide) Snowdonia (Official National Park Guide) by Merfyn Williams with contributions from Ian Mercer and Jeremy Moore

A handy book full of useful information and interesting facts about the National Park.
The Mountains of England and Wales: Vol 1 Wales The Mountains of England and Wales: Vol 1 Wales by John and Ann Nuttall

A classic book covering the Welsh ‘Nuttalls’, which obviously include the Moelwynion.
Hillwalking in Snowdonia Hillwalking in Snowdonia by Steve Ashton

A guidebook to nearly 70 hillwalking routes throughout Snowdonia, including the Moelwynion.
Hillwalking in Wales Vol 2 Hillwalking in Wales Vol 2 by Peter Hermon

The second of two guidebooks describing walking routes up every 2000-footer in Wales – covers the Moelwynion to the Tarrenydd.

External Links

 
Craigysgafn
Craigysgafn (Photo by daveyboy)
 
Moelwyn Range
Moelwynion (Photo by daveyboy)
 
Moelwyn Mawr
Moelwyn Mawr (Photo by daveyboy)
Government Bodies and Official Organisations

Snowdonia National Park Authority
Council for National Parks
Association of National Park Authorities
Conwy County Council
Gwynedd County Council
Powys County Council
Countryside Council for Wales
Forestry Commission Wales
Environment Agency
CADW
Royal Commission on Ancient & Historical Monuments in Wales
Gwynedd Archaeological Trust
Snowdonia Society
The National Trust

Hiking, Climbing and Mountaineering Organisations and Companies

British Mountaineering Council
The Climbers Club
UKClimbing
Plas y Brenin National Mountain Centre
Snowdonia-Active.com
Hightreck Snowdonia

Weather

Mountain Weather Wales
Weather from the Met Office
BBC Weather
Weather Channel UK

Tourist Information

Visit Wales
North Wales Tourism Partnership
Local Information from Gwynedd.com
Local Information from Snowdonia Wales Net
North Wales Index

Travel

Welsh Public Transport Information
Uk Train Timetable

Accommodation

Youth Hostel Association in Wales
North Wales Campsites

Maps and Guidebooks

Ordnance Survey
Harvey Map Services
Cicerone Guidebooks
Climbers Club Guidebooks
North Wales Bouldering
Mid Wales Climbing
Cordee Travel and Adventure Sports Bookshop

Wildlife and Conservation

Joint Nature Conservation Committee
Natur Gwynedd
North Wales Wildlife Trust
Royal Society for the Protection of Birds

Welsh Language

Welsh Language Board
Cymdeithas yr Iaith Gymraeg Welsh language pressure group
Yr Urdd (Welsh Youth Association)
Welsh-English / English-Welsh online translator
Welsh-English / English-Welsh Online Dictionary
Welsh-English / English-Welsh Online Lexicon

Additions and Corrections

[ Post an Addition or Correction ]
Viewing: 1-7 of 7    
visentinstill...

visentin

Voted 10/10

taking straight to the red tape :D

good luck in your research ;)
Posted Jan 24, 2011 2:55 pm
NanulsRe: still...

Nanuls

Hasn't voted

Arg! On we go...
Posted Jan 24, 2011 5:42 pm
NanulsRe: still...

Nanuls

Hasn't voted

Hey Eric, still trying to work things out! How does it work now?
Posted Jan 25, 2011 5:23 am
visentinRe: still...

visentin

Voted 10/10

same :(

Pity, because it takes people out of the place where we can vote ! :)

Why dont you try installing firefox, and test by removing each chapter one by one to find the reason ?
Posted Jan 25, 2011 5:46 am
NanulsRe: still...

Nanuls

Hasn't voted

Arses! It's not what I thought the problem was. This may take some time. At the moment I can only use my work laptop, which I can't install software on (inc. Firefox... obviously), which is why I was asking you guys for help (thanks very much by the way!). I think I will wait now until my own computers back online and play with it then.



All my pages look just fine on IE by the way - who'd have thought it?!
Posted Jan 25, 2011 10:16 am
visentinRe: still...

visentin

Voted 10/10

Why not testing with Netscape ? :)
Posted Jan 25, 2011 10:36 am
NanulsRe: still...

Nanuls

Hasn't voted

Ha ha! Even if I wanted to I couldn't!
Posted Jan 25, 2011 11:22 am

Viewing: 1-7 of 7    

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