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Llyn Peris and Padarn Trail Run or Walk

By Dave Roberts   

on September 1, 2014    No ratings yet.

Llyn Peris and Padarn Trail Run or Walk

Further Details

Route Summary:

Route Start Location:

15.19 km 440 m

Calculate the time using Naismith’s Rule and factor in your own pace.

Activivity Type: 

Summits and Places on this Route


Check out the businesses nearby for more places to stay and drink.


Remember that we cannot outline every single hazard on a walk – it’s up to you to be safe and competent. Read up on Mountain Safety , Navigation and what equipment you’ll need.

Parking :

Public Transport:

Traveline for UK Public Transport

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Met Office Snowdonia Mountain Weather

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Recommended Maps


Llyn Peris and Padarn Trail Run or Walk Ordnance Survey Map and GPX File Download

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Llyn Peris and Padarn Trail Run or Walk

If the route around Llyn Padarn isn’t enough for you, then how about this one that takes in Llyn Peris as well? It takes in a section of quiet trail, some country lanes and quarry tracks on the way as well as a pub at the half way point.

You can start the route in Nant Peris, many points in Llanberis or in Brynrefail like we did. The starting point was the old bridge at Pen-y-llyn (SH559623) where there’s limited parking, or you can start from the village if you want to do the route by public transport.

1 You can hardly start a run at a more iconic point (very similar to our Ogwen Trail Run) – and you’ll more than likely want to take in the view before setting off. Continue along the bridge and follow the road left towards the village of Brynrefail.


2 Take the first road right, marked with a footpath sign and names Tai Felin and follow this along a wooded lane and past a couple of houses. Past the last bungalow, the road enters a driveway with a gate, so keep your eyes peeled for the footpath to your left.

3 The footpath follows the wall, and a rather overgrown footpath up to a good farm track at SH563627. It’s not so overgrown as to make passage difficult, but you’ll get a soaking from wet vegetation and shorts could be a problem.


4 Turn right on the track, ignoring the junction and stile to your left shown above (this takes you over to Clwt y Bont) and continue onwards and upwards on an old track, past numerous abandoned dwellings.


5 The trail wends its way up through abandoned countryside that feels further from habitation than it actually is. At the point marked Fron Goediog, you’ll reach a wall and join another path. Take this right and it climbs gently up and over Y Clegyr and down into Fachwen.


6 Follow the minor road uphill, a relentless slog if you’re running, a chore if you’re walking. Turning right into Dinorwig and along to the car park at the far end where the road ends in a loop.


7 There’s an obvious track into the quarries, follow this as far as the incline and the view point (just past the large building shown below) and take the track left through the quarries. This is a clear track, but make sure that you take the stile for the footpath at the first of the descending zig zags. You can also follow the zig zags down if you wanted.


8 The footpath is difficult to run and there’s a lot of loose slate about, but you’ll be in open hillside before long. Head for the farm at Fron, and the minor road down to the main road. If you’re walking, then the Faenol Arms pub is open, or even if you’re running (it didn’t stop us!)


9 The route is now just a return to the start, following the pavement on the main road into Llanberis. At Pentre Castell, you can take a more scenic route by taking the footpath past Castell Dolbadarn. This descends to the road on the opposite side, where you turn right and then left towards the country park.


10 Just before the country park, take the footpath and bridge left (white waymarked posts) and cross the floodplain besides Llyn Peris to the park.


11 Keep alongside the lake, past the car park and again on the main road, turning right down a quiet track at the first opportunity, which leads to the Lon Las Peris cycle track. This track makes a steady and easy end to the run along the lake’s shore before taking the steps before the tunnel under the road.


12 Follow the main road right, before taking the cycle path to your right. Within 0.5km you’ll be back at the start.

Dave Roberts founded Walk Eryri in 2004, with the aim of providing routes that are off the beaten track. Walk Eryri is now part of Mud and Routes which continues to provide more off beat routes and walks in Snowdonia and beyond. Dave has been exploring the hills of Eryri for over thirty years, and is a qualified Mountain Leader. Dave also established Walk up Snowdon, Walk up Scafell Pike and Walk up Ben Nevis just to mention a few.

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