Moelwyn Mawr
770m (2527ft)
The Moelwyns, Snowdonia, Gwynedd, Wales
Moelwyn Mawr means 'Big White Bare Hill' in Welsh.
The summit of Moelwyn Mawr is marked by an Ordnance Survey Trig Point.
You can find Moelwyn Mawr & all the walks that climb it on these unique free-to-access Interactive Walk Planning Maps: (click/TAP to select)
1:25,000 scale OS Explorer Map (the ones with orange/yellow covers):
1:50,000 scale OS Landranger Map (the ones with pink/magenta covers):
See Moelwyn Mawr and the surrounding tops on our free-to-access 'Google Style' Peak Bagging Maps:
See Moelwyn Mawr and the surrounding tops on our downloadable PDF Peak Bagging Map:
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Vital Statistics:
| Length: | 6.20ml (10.5km) |
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| Ascent: | 2,691ft (820m) |
| Time: | 5 hrs |
| Grade: |  (Moderate) |
Route Summary:
Tanygrisiau - Moel-yr-hydd - Rhosydd Quarry - Moelwyn Mawr (North Ridge Top) - Moelwyn Mawr - Craigysgafn - Bwlch Stwlan - Moelwyn Bach - Llyn Stwlan - Stwlan Dam - Tanygrisiau
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Vital Statistics:
| Length: | 8.25ml (13km) |
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| Ascent: | 3,037ft (926m) |
| Time: | 6 hrs |
| Grade: | (Moderate) |
Route Summary:
Croesor - Rhosydd Quarry - Bwlch y Rhosydd - Clogwyn Brith - Moel-yr-hydd - Moelwyn Mawr (North Ridge Top) - Moelwyn Mawr - Craigysgafn - Bwlch Stwlan - Moelwyn Bach - Croesor
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Vital Statistics:
| Length: | 9ml (14.5km) |
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| Ascent: | 3,355ft (1,023m) |
| Time: | 6.75hrs |
| Grade: |  (Hard) |
Route Summary:
Croesor - Croesor Bach - Cnicht - Cnicht (North Top) - Llyn Yr Adar - Afon Cwm-y-foel - Llyn Cwm-corsiog - Clogwyn Birth - Rhosydd Quarry - Moel-yr-hydd - Moelwyn Mawr (North Ridge Top) - Moelwyn Mawr - Croesor
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Vital Statistics:
| Length: | 10ml (16km) |
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| Ascent: | 3,923ft (1,196m) |
| Time: | 7½ hrs |
| Grade: | (Hard) |
Route Summary:
Croesor - Croesor Bach - Cnicht - Cnicht (North Top) - Llyn Yr Adar - Afon Cwm-y-foel - Llyn Cwm-corsiog - Clogwyn Birth - Rhosydd Quarry - Moel-yr-hydd - Moelwyn Mawr (North Ridge Top) - Moelwyn Mawr - Craigysgafn - Bwlch Stwlan - Moelwyn Bach - Croesor
Fellow go4awalkers who have already walked, climbed, summited & bagged Moelwyn Mawr
Daniel Moran walked up Moelwyn Mawr on February 18th, 2024 [from/via/route] Slate mine carpark [with] Chel and frankie [weather] Cold wind no rain - Went in a mine, old abandoned village, turn back due to forgetting my bag, Frankie had no coat
Stephanie Doyle climbed Moelwyn Mawr on June 18th, 2022 [with] Pals [weather] Nice
Melfyn Parry bagged Moelwyn Mawr on April 11th, 2019 [from/via/route] Start & finish at Croesor car park at SH631446. Steep tarmac road to start of the walking path. Ascent to summit of Cnicht was via well defined path. Stunning views in all directions. Descent from summit toward Llyn Adar before turning right to pass by Llynnau Dwyffos. Path a little boggy along here up to brow of hill. Descent to Rhosydd quarry & then up the old incline to stop for lunch. Ascent to ridge line & then followed fence to summit of Moelwyn Mawr. Descent back to car park via grassy slope, not too steep & then tarmac lane. [with] DS [weather] Mainly sunny & warm, occasional cold breeze.
Donovan Suddell hiked Moelwyn Mawr on April 10th, 2021 [from/via/route] Croesor using gw173 [with] My wife [weather] Sunny & clear, odd sprinkle of snow - gw173 is a mighty fine walk.
Andy Buxton summited Moelwyn Mawr during August, 1965 [from/via/route] From Croesor-circular with Moelwyn Mawr & Bach [with] Dad
Bleddyn Rhys conquered Moelwyn Mawr on October 31st, 2014 [from/via/route] Fynnu'r llwybr charael o Croesor, ac i lawr y 'south ridge' yn ol ir pentre. [with] gyda Caradog a Daniel! [weather] Reit neis, haul ar adegau, ambell i gwmwl. Aros yn sych - Yr hogia wedi gwirioni eu bod wedi cyrraedd top Moelwyn mawr!
Christina Lander scaled Moelwyn Mawr on April 18th, 2018 [from/via/route] Croesor - Cnicht - Bwlch y Rhosydd - Llyn Croesor - Moelwyn Mawr - Moelwyn Bach - Croesor [with] Dick [weather] Started off overcast, but turned into a beautiful sunny day. Windy on top of Moelwyn Mawr & Moelwyn Bach
Mark Davidson walked up Moelwyn Mawr on August 20th, 2002 [with] Alone [weather] Sunny & warm with good views
Robert Taylor-Marriott climbed Moelwyn Mawr on May 8th, 2013 [from/via/route] Route 51: Moel yr Hydd. Moelwyn Mawr NRT.Moelwyn Mawr. Craigysgafn. Moelwyn Bach (MMMB). [with] Vince Wetton & Robert Taylor-Marriott [weather] Very Fair.
Vince Wetton bagged Moelwyn Mawr on May 7th, 2013 [from/via/route] Moelwyn Bach & 4 others [with] RTM [weather] Sunny Day
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More Photographs & Pictures of views from, on or of Moelwyn Mawr
Moelwyn Bach, Bwlch Stwlan, Craigysgafn and Moelwyn Mawr from near Rhosydd Quarry
My dad on the summit of Yr Aran in the snow with Cnicht & Moelwyn Mawr on the horizon (left centre) and Lyn Dinas in the Nantgwynant valley below (right)
Me on Cnicht with Moel-yr-hydd (left) and Moelwyn Mawr (right) in the background
360 degree view from Moel Penamnen summit featuring (from left to right): The Moelwyns - Moelwyn Bach, Craigysgafn & Moelwyn Mawr, Allt-fawr, Moel Druman & Ysgafell Wen, Moel Farlwyd (foreground above/left of blue lake), Yr Aran (pointed peak above Moel Farlwyd), Mount Snowdon (Yr Wyddfa) & Y Lliwedd, The Glyderau - Glyder Fach, Glyder Fawr & Tryfan, Carnedd Moel Siabod, Y Ro Wen, Foel-fras (Moelwyns), Manod Mawr (above two light blue lakes) and The Arenigs - Arenig Fawr & Arenig Fach.
The Moelwyns - Cnicht (left) and Moelwyn Mawr (right) - from Mynydd Tal-y-mignedd
Moelwyn Bach, Bwlch Stwlan, Craigysgafn, Moelwyn Mawr and Moelwyn Mawr (North Ridge Top) (far right) from the col below Moel-yr-hydd
Moelwyn Bach, Craigysgafn and Moelwyn Mawr from Drum House at the top of a disused incline in Maen-offeren Quarry
Moelwyn Bach, Craigysgafn, Moelwyn Mawr, Allt-fawr and Moel Druman from Manod Mawr (North Top) summit
Cnicht and Cnicht (North Top) across Cwm Croesor from the summit of Moelwyn Mawr
. . . see all 33 walk photographs & pictures of views from, on or of Moelwyn Mawr
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