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Pen-y-Pass – Llanberis Pass loop from Cwm Dyli Power Station

Pen-y-Pass – Llanberis Pass loop from Cwm Dyli Power Station

Moderate

riders

Pen-y-Pass – Llanberis Pass loop from Cwm Dyli Power Station

00:49

13.9km

340m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is right next to a parking lot.

Last updated: August 22, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

Start point

Parking

Get Directions

1.82 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

1.88 km

YHA Pen-y-Pass Hostel

Highlight • Mountain Hut

fairly steady climb and then a great descent down. The roads can be very busy during peak season and holidays.

Tip by

1.89 km

Llanberis Pass – Pen-y-Pass Climb

Highlight (Segment) • Climb

Awesome mountain road from Nant Peris in the west to the top of Pen-y-pass in the east. It's a long climb up from Nant Peris or an exciting descent in …

Tip by

7.00 km

Llanberis Pass

Highlight • Mountain Pass

The Llanberis Pass is a spectacular road climb in Snowdonia National Park, Gwynedd. It is the pass between Glyderau and Snowdon Massif at 359 metres above sea level. It also …

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9.80 km

Cromlech Boulders

Highlight • Climb

Right opposite the layby are the two main blocks - a good description and link to the topo is at climber.co.uk/outdoor/bouldering/around-the-bloc-the-cromlech-boulders-llanberis

Tip by

12.1 km

Mallory's Café

Highlight • Cafe

Iconic Pen y Pass is the access point to both the Miners’ and Pyg Track trailheads leading to Yr Wyddfa’s summit. At the pass are toilets, a café, and a …

Tip by

13.9 km

End point

Parking

Way Types & Surfaces

Way Types

13.8 km

< 100 m

Surfaces

13.8 km

< 100 m

Elevation

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

Highest point (360 m)

Lowest point (110 m)

Weather

Wednesday 2 September

18°C

13°C

-- %

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Comments

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Pen-y-Pass – Llanberis Pass loop from Cwm Dyli Power Station

Pen-y-Pass

YHA Pen-y-Pass Hostel

Llanberis Pass – Pen-y-Pass Climb

Llanberis Pass

Cromlech Boulders

Mallory's Café

Nearby routes

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