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Llyn Llydaw – Pen-y-Pass loop from Crib Goch

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Hiking trails & Routes

Llyn Llydaw – Pen-y-Pass loop from Crib Goch

Hard

hikers

Llyn Llydaw – Pen-y-Pass loop from Crib Goch

04:10

10.6km

500m

Hiking

Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Last updated: May 26, 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 4.53 km for 1.59 km

Waypoints

Start point

Get Directions

276 m

Llyn Llydaw

Highlight • Viewpoint

Quite idyllic view and if you are on the horseshoe route you can trace back almost the complete set of ridges from here (and see other people scrambling up there).

Tip by

527 m

View of Crib Goch from Llyn Llydaw

Highlight • Viewpoint

View across the lake to Crib Goch with views of Snowdon summit to the left

Tip by

1.13 km

Cadbury Flake Rock

Highlight • Natural Monument

If you know you know

Tip by

1.45 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

1.53 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 and contemplate the hike you have nearly completed, or are yet to conquer. In the summer, this spot is hailed as a superb wild swimming spot.

Tip by

2.85 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 the Miners' and Pyg Tracks to Yr Wyddfa, as well as for the exciting scrambles on Crib Goch.

The excellent youth hostel has a rich mountaineering heritage. It was famously the haunt of George Mallory, who became part of Everest legend when he died attempting to be the first person to climb the world's highest peak in 1924. Whether or not he ever made it to the summit is one of the greatest mysteries in adventure history. The hostel's Mallory's Bar, is named in his honour.

Tip by

5.28 km

Crib Goch scramble

Highlight • Climb

It's time to think twice if you are sure to keep going this route

Tip by

10.6 km

End point

Way Types & Surfaces

Way Types

6.17 km

3.82 km

366 m

201 m

< 100 m

Surfaces

5.13 km

4.83 km

262 m

223 m

159 m

Elevation

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

Highest point (740 m)

Lowest point (360 m)

Weather

Tuesday 30 June

16°C

12°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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Llyn Llydaw – Pen-y-Pass loop from Crib Goch

Llyn Llydaw

View of Crib Goch from Llyn Llydaw

Cadbury Flake Rock

Britannia Miners' Barracks Ruins

Llyn Teyrn

Pen-y-Pass

Crib Goch scramble

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