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Y Lliwedd – Pen-y-Pass loop from Yr Wyddfa National Nature Reserve

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Hiking trails & Routes

Y Lliwedd – Pen-y-Pass loop from Yr Wyddfa National Nature Reserve

Hard

5.0

(9)

hikers

Y Lliwedd – Pen-y-Pass loop from Yr Wyddfa National Nature Reserve

06:08

17.4km

870m

Hiking

Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is accessible with public transport.

Last updated: July 13, 2026

Tips

Includes a segment that may be dangerous

A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.

After 5.01 km for 583 m

Waypoints

Start point

Bus stop

Get Directions

124 m

Start of the Watkin Path

Highlight • Trail

There are many, many ways up Yr Wyddfa (Snowdon), though the Watkin Path is one of the six trails officially recognised by the national park authority. It's a quieter option …

Tip by

1.70 km

Afon Cwm Llan Waterfalls and Pools

Highlight • River

After a quarter of the way to the top of Snowdon via the Watkin path you will find the waterfalls of the Afon Cwm Llan. This is a wonderful place …

Translated by Google •

Tip by

1.88 km

Plas Cwm Llan Ruins and Waterfalls

Highlight (Segment) • Historical Site

The ruins are remains of industrial activities such as copper mines and slate quarries. The waterfalls and rapids themselves are beautiful to see. This is an ideal location to take …

Translated by Google •

Tip by

2.60 km

Gladstone Rock

Highlight • Monument

The Watkin Path, named after its creator Edward Watkin (a friend of Gladstone’s), was the first designated footpath in Britain. At the time of its construction, there was no path …

Tip by

5.53 km

Y Lliwedd

Highlight • Viewpoint

If it were almost anywhere else, twin-peaked Y Lliwedd would be far more celebrated than it is. Forming the bulk of Snowdon’s curved south-eastern ridge, it deserves to be treated …

Tip by

8.29 km

Viewpoint

8.75 km

Britannia Miners' Barracks Ruins

Highlight • Historical Site

A stone-built terrace of former miners barracks, now roofless. Purpose built to provide accommodation during the week for the miners who worked in the Snowdon Britannia Copper mines during the nineteenth and early twentieth centuries. The mine closed in 1916.

Tip by

8.84 km

Llyn Teyrn

Highlight • Lake

The wonderful stretch of mountain water has a magical atmosphere. Just off the the popular miners track walk on Snowdon, it is the perfect place to stop for a break …

Tip by

10.1 km

Pen-y-Pass

Highlight • Parking

Right in the heart of northern Eryri (Snowdonia), Pen-y-Pass is superbly located for adventures on the Yr Wyddfa (Snowdon) massif and the Glyderau. It is a popular starting point for …

Tip by

11.3 km

Afon Trawsnant

Lake

11.9 km

Nant Cynnyd

Lake

17.4 km

End point

Bus stop

Way Types & Surfaces

Way Types

9.44 km

6.64 km

596 m

321 m

255 m

< 100 m

Surfaces

6.08 km

5.27 km

3.88 km

1.19 km

596 m

311 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (850 m)

Lowest point (60 m)

Weather

Sunday 30 August

16°C

10°C

64 %

Additional weather tips

Max wind speed: 25.0 km/h

to get more detailed weather forecasts along your route

Comments

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Y Lliwedd – Pen-y-Pass loop from Yr Wyddfa National Nature Reserve

Start of the Watkin Path

Afon Cwm Llan Waterfalls and Pools

Plas Cwm Llan Ruins and Waterfalls

Gladstone Rock

Y Lliwedd

Britannia Miners' Barracks Ruins

Llyn Teyrn

Pen-y-Pass

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