Friday 19th May, 2023
Marvellous Moelwyns
The quiet mountain area of the Moelwyns is one we’ve not ventured to before. It’s a beautiful, remote area, made fascinating by the industrial heritage of slate mining; indeed, part of our route follows a section of the Snowdonia Slate Trail, with another part on the Cambrian Way.
We’ll be travelling by car-share to Tanygrisiau (near Blaenau Ffestiniog – 25 mins away, see the route here) to then walk up to the lovely Llyn Cwmorthin. Passing Cwmorthin quarry, we’ll ascend to the impressive but remote remains of Rhosydd slate quarry. From here we’ll head up past the quarry workings up the steep grassy slope to the summit of Moelwyn Mawr (770 m / 2,530 ft) from where there are great views towards Snowdon to the north, Cader Idris to the south, and Cardigan Bay to the west. On our descent we’ll cross Craig Ysgafn before then ascending Moelwyn Bach (710 m / 2,330 ft). From here we’ll descend to near Stwlan dam (in the picture above) before descending further on the steep grassy incline towards the lower lake and back to our cars at Tanygrisiau.
Note: It can be cold at altitude, even in May; please bring warm, waterproof clothing, including hat and gloves. Your boots should be waterproof with a good tread.
Duration: All day. Please bring a packed lunch.
Distance: 7 miles / 11 km
Grade: Strenuous mountain, with some 2,500 ft (800m) of ascent in total. This is a serious mountain walk and will include some uneven rocky ground, a few short ‘clambery’ sections, some steep sections and a degree of exposure at times. You should have mountain experience and be mountain fit.
Departure time: 09:00 a.m. from Trefriw Village Hall (LL27 0JH, SH781631)
Refreshments will be available in the Hall both before and after your walk. (See ‘our cafe’.) Please stay and socialise!
Walk Leaders: Tony Ellis & Jordan Lloyd
Click on the map to see the rough location of this walk.
Booking: To book a place, please click on the Eventbrite button below (opens in a new tab).
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Please ensure that you have read the booking information, terms and conditions before you attend any walks.
Please note that, although we make no charge for our walks, we do ask for voluntary donations (card preferred, but cash accepted). More details on our funding page.