Carnedd y Filiast (Arenigs)
669m (2195ft)
The Arenigs, Snowdonia, Conwy/Gwynedd, Wales
Carnedd y Filiast (Arenigs) means 'Cairn of the Greyhound' in Welsh and is pronounced 'kan-neth ee viliast'.
The summit of Carnedd y Filiast (Arenigs) is marked by an Ordnance Survey Trig Point.
Not familiar with this top?
You can walk/hike to the top of Carnedd y Filiast (Arenigs) by using either of these 2 easy‑to‑follow route maps:
Walk gw182 Carnedd y Filiast (Arenigs) and Foel-boeth from Llyn Celyn
Fine views from wild mountains
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Vital Statistics:
| Length: | 7.5ml (12km) |
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| Ascent: | 1,841ft (561m) |
| Time: | 4.75hrs |
| Grade: |  (Moderate) |
Route Summary:
Llyn Celyn - Ffridd Bwlch-gwyhn - Nant y Coed - Brottos - Carnedd y Filiast (Arenigs) - Waun Garnedd-y-filiast - Carnedd Llechwedd-llyfn - Llechwedd-llyfnr - Foel-boeth (Llyn Celyn) - Llyn Celyn
Walk gw104 Carnedd y Filiast and Arenig Fach from Llyn Celyn
A fine hill walk with fine hill views
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Vital Statistics:
| Length: | 12.75ml (20.5km) |
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| Ascent: | 2,939ft (896m) |
| Time: | 7.75hrs |
| Grade: |  (Hard) |
Route Summary:
Llyn Celyn - Nant y Coed - Brottos - Carnedd y Filiast (Arenigs) - Waun Garnedd-y-Filiast - Carnedd y Filiast (Arenigs) - Carnedd Llechwedd-llyfn - Afon Celyn - Trinant - Arenig Fach - Capel Celyn - Llyn Celyn
See Carnedd y Filiast (Arenigs) and the surrounding tops on our free-to-access 'Google Style' Peak Bagging Maps:
The Arenigs of Snowdonia National Park
Less data - quicker to download
The Whole of Snowdonia National Park
More data - might take a little longer to download
See Carnedd y Filiast (Arenigs) and the surrounding tops on our unique, downloadable, PDF Peak Bagging Map:
NB: Whether you print off a copy or download it to your phone, this PDF Peak Baggers' Map might prove incredibly useful when your are up there on the tops and you cannot get a phone signal.
You can find Carnedd y Filiast (Arenigs) & all the walks that climb it on these unique free-to-access Interactive Walk Planning Maps:
1:25,000 scale OS Explorer Map (orange/yellow covers):
1:50,000 scale OS Landranger Maps (pink/magenta covers):
Fellow go4awalkers who have already walked, climbed, scaled, summited, hiked & bagged Carnedd y Filiast (Arenigs)
Melfyn Parry walked up Carnedd y Filiast (Arenigs) on March 1st, 2026 [from/via/route] Started walk from lay-by alongside Llyn Celyn, using guide GW104, the walk is a steady climb up a wide forest track, the descent to Nant y Coed stream loses you about 100m of altitude which then has to be regained after crossing. The stream is not the easiest to cross in wet weather. The short walk from the forest track over to Wayne Garnedd y Filiast is a bit boggy which then had to be retraced after reaching the small cairn with a stick at the summit. Carnedd y Filiast is a much more substantial summit with a trig point & views over towards Arenig Fawr looking over Llyn Celyn. The descent to the pile of stones (cairn) alongside the fence is again boggy in parts. On reaching the cairn you need to go left to reach the high ground & there is a small pile of stones marking the summit of Carnedd Llechwedd Llyfn. Retrace your steps back to the fence & turn left dropping down to the bridle path - the route to Arenig Fach continues from here but we turned left to follow the bridle path, yet another boggy area to pass a farm before reaching the main road at Llyn Celyn to return a short distance to the lay/by. [with] With DS [weather] Drizzly at the start, soon persistent heavy rain for a while. Improved just before lunchtime with brief sunny spells & views. Very strong winds at times. - Had the hills to ourselves not a soul in sight
Christina Lander climbed it on May 24th, 2023 [from/via/route] Ysbyty Ifan - Carnedd Llechwedd Llyfn - Carnedd y Filiast - Waun Carnedd y Filiast - Ysbyty Ifan [with] Dick [weather] Sunny day - Almost pathless!
Donovan Suddell bagged it on September 17th, 2022 [from/via/route] llyn Celyn [with] solo [weather] sunshine & showers - rained hard a few days earlier & several fords were very difficult to pass
Mark Davidson hiked Carnedd y Filiast (Arenigs) on May 11th, 2009 [with] Alone [weather] Lovely & sunny & warm - Fantastic Views
David Lane summited on October 27th, 2005 [with] Kelly
Stephanie Doyle, Kate Colbrook, Paul Booth, Trevor Williams and Stephen Hobdell have all walked, climbed & bagged Carnedd y Filiast (Arenigs).
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