Craflwyn Ranger Run

Running trail

This trail run starts and finishes at Craflwyn, but allows you to explore much of the wider Nant Gwynant valley, the quaint village of Beddgelert as well as the lower slope of Wales' highest peak, Snowdon and Mynydd Sygun, where old copper mines reside. Discover amazing waterfalls, run alongside lakes and rivers and learn about this fascinating landscape and how we're protecting it.

Please note this route is designed for experienced fell runners.

Only parts of this route is way marked, please ensure you have a map and compass with you, check the weather before setting off and be prepared for a day out in the mountains. This route has been created in collaboration with expert trail runners and adventurers Jen and Sim Benson, as part of our Ranger Run Series.

View from Mynydd Sygun, Snowdonia


Running route exploring Nant Gwynant valley starts and ends at Craflwyn, Snowdonia


National Trust Craflwyn car park, LL55 4NG / Grid reference SH599489


From the car park at Craflwyn take the footpath leading up through the woodland. At the fork in the path, follow the black arrow way-marker to the right. Continue past the dragon bench and then up some steps with a small waterfall to your left.

Small waterfall at Craflwyn, Snowdonia


At the top of the steps follow the path to the right, through some birch trees and into a clearing. Continue ahead following the black arrows and ignoring two paths that lead to the right. Stop off to admire the view from the Giant's chair on your right, before continuing to the left and climbing up some steps (ignore the stile on your right) and follow the path as it weaves up, cross a small stile over a fence and head up towards the ffridd.

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The Giant's chair at Craflwyn, overlooking Dinas Emrys and Mynydd Sygun in Snowdonia


Head east towards Blychau Terfyn. Cross a stile at the wall and continue following the black way-markers. When you reach the bridge near an old ruin, turn left onto a track and continue upwards. Turn left again at the next ruin. Continue on the path until you reach another stile over a wall. Follow the way-markers down towards the Watkin Path, on a clear day you'll be able to see Llyn Gwynant and Moel Siabod in the distance.

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Welsh Black cattle amongst cotton grass at Hafod y Llan farm


When you reach a track (the Watkin Path), turn right and descend the slope of Snowdon. Please note that the black way-markers end here.

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Bluebells by Cwm Llan waterfalls above Hafod y Llan


At the bottom of the track, turn right onto a lane and then right again at the main road. After passing Caffi Gwynant take the next left turning, crossing the river Glaslyn. Followed by the first right, signposted Llyndy Isaf Farm. Follow the track past the farm and run alongside Llyn Dinas, you will pass through several gates on the way.

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At the end of the lake, turn left up a stone-pitched footpath that zig-zags up the hill. At the top continue for half a mile (ignore the first path on the right) at the fork, bear right.

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Llyn Dinas in Llyndy Isaf, Gwynedd, Wales.


From Bwlch y Sygun take the left path (heading south) then bear right, down Cwm Bychan. At the bottom continue past the car park and through the woods until you come to the river.

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Cwm Bychan ropeway, Beddgelert, Wales.


Turn right at the river and follow the Glaslyn upstream. Taking care on the uneven rocky terrain and when crossing the railway. Continue straight at the rail crossing. Pass a footbridge on your left, follow the river upstream, before crossing a street and going through a gate.

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Aberglaslyn Pass in Beddgelert, Snowdonia


At the next gate, turn right onto a narrow lane, follow this to Sygun Copper mine. Here turn left onto the busy main road and left again until you reach Craflwyn car park on the right.


National Trust Craflwyn car park, LL55 4NG / Grid reference SH599489

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Craflwyn Ranger Run


The route takes in a variety of challenging terrain, including steep,  rocky, uneven paths with loose stone, rocky steps and wet, muddy paths and several stiles. Some sections are on quiet country lanes, while short sections involve running along and crossing busy main roads. 

Craflwyn Ranger Run

Contact us

By email on 

By phone on 01766 510120

Craflwyn Ranger Run

How to get here

National Trust Craflwyn car park, LL55 4NG, SH 599489
By train
Main line stations at Porthmadog 10 miles, Betws y Coed 17 miles and Bangor 20 Miles. Welsh Highland Railway stations at Beddgelert, Rhyd Ddu 4 miles and Caernarfon 13 miles.
By road

From Betws y Coed: take the A5 towards Capel Curig. At Capel Curig, turn left into the A4086 (signed Beddgelert) continue on this road. At the Pen-y-Gwryd Hotel the road bears left into the A498, continue on this road down into Nant Gwynant. Craflwyn car park is on the right hand side before Beddgelert.

From Blaenau Ffestiniog: follow the signs to Penrhyndeudraeth. At Penrhyndeudraeth, turn right into the A4085 (signed Beddgelert). At the T junction, turn right on to A498 and follow the road through Beddgelert, Craflwyn car park will be on your left hand side. This road will take you to Beddgelert. Craflwyn is approximately 1 mile outside Beddgelert.

From Caernarfon: Take the A4085 towards Beddgelert.

By bus

Sherpa bus service for Snowdon (check Gwynedd county council website). Bus service to Beddgelert (check traveline Cymru website), check times before setting off. 

Craflwyn Ranger Run

Facilities and access

  • Parking - National Trust car park at Craflwyn
  • Toilets - National Trust toilets at Craflwyn and Nantmor car parks
  • Public toilets also available at Bethania car park and in Beddgelert village
  • Food & drink - Caffi Gwynant cafe on the A498 and a selection of cafes and pubs at Beddgelert