Arenig Fawr & Moel Llyfnant


5 September 2021

No dogs


Do not walk if you are feeling unwell. Carry your own hand sanitiser. In case of an emergency ensure you have with you a face mask and first aid pack.
Inevitably, the route will go through gates and over stiles that other people will have touched. It may have narrow sections that mean you will be passing close to other people.

A fine walk over two of the less-frequented Snowdonia mountains.

From the parking area we follow the minor road through the hamlet of Arenig before a track rises SW and then SE across moorland to the tiny bothy at Llyn Arenig Fawr. Here the path curves round to climb steeply up the ridge to the south of the reservoir onto the broad slopes under Arenig Fawr. The path contours before climbing more steeply to emerge on the summit ridge where a short rocky stretch leads to the summit. On a clear day, the views across North

Arenig Fawr scene
Arenig Fawr view

Continuing south on an indistinct path, a brief dip and re-ascent brings us to the south summit before descending steeply down the south ridge and then south west to the boggy hollow between Arenig Fawr & Moel Llyfnant. We cross this hollow, where some tussock hopping is necessary to maintain dry feet, and ascend to our second summit of Moel Llyfnant. A descent north over rough grass (no path) leads down to the start of a track (boggy in places) which we follow past the ruined houses of Ammodd-bwl and Ammodd-wen to eventually emerge on the road a short distance from the parking area.

This is the walk profile

Arenig Fawr walk profile
Meeting Time:
Meeting Place:
At walk start point
Walk Starts:
Walk Finishes:
Duration (incl stops):
Highest Point:
854m Arenig Fawr
Good paths and lanes
OL18 Harlech & Bala
Starting Point:
Parking area opposite old Arenig quarry GR SH 829392 on minor road south of Llyn Celyn. Nearest post code LL23 7PB


Let the walk leader know of any relevant medical conditions

Refer to the Handbook for walk related information and specifically for recommended walking equipment and safety information

Remember you are responsible for being properly equipped

Ensure you have the walk leader’s phone number in case of an emergency

If you become detached from the group STOP, call out; try contacting group by phone or text. If no contact return to the last place you were with the group. Wait 30 mins repeatedly trying to make contact. After 30 mins seek help and/or make your own way safely.

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The Google map below is the location of the walk start point.