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Hiking trails & Routes

View of Llyn Nantlle – Plas Dorothea Quarry and Ruins loop from Llanllyfni

Hiking trails & Routes

View of Llyn Nantlle – Plas Dorothea Quarry and Ruins loop from Llanllyfni

Easy

4.8

(6)

23

hikers

View of Llyn Nantlle – Plas Dorothea Quarry and Ruins loop from Llanllyfni

01:56

6.51km

190m

Hiking

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 3, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

A

Start point

Parking

1

340 m

View of Llyn Nantlle

Highlight • Viewpoint

You are likely to have heard of the Nantlle (pronounced Nant-lee) Ridge, a sinuous and wonderful traverse of medium-sized peaks to the south west of the Snowdon Massif. The ridge …

Tip by

2

2.79 km

Moel Tryfan Loop

Highlight • Viewpoint

3

3.12 km

Y Fron Village

Highlight • Settlement

Gloriously situated on a rugged upland common between the modest summits of Moel Tryfan and Mynydd y Cilgwyn, Y Fron is a peaceful Snowdonian village. There are some fantastic hikes …

Tip by

4

3.98 km

Plas Dorothea Quarry and Ruins

Highlight (Segment) • Historical Site

Quite steep in places but amazing views.

Tip by

5

5.26 km

Dorothea Quarry and Beam Engine

Highlight • Natural Monument

In the heart of the secluded Nantlle Valley, Dorothea Quarry's slate veined pits and deep, dark pools silently remind all who wander by of the region's mining heritage. Six pits …

Tip by

B

6.51 km

End point

Parking

Way Types & Surfaces

Way Types

2.04 km

1.96 km

1.35 km

717 m

256 m

Surfaces

2.70 km

1.66 km

1.20 km

541 m

224 m

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Elevation

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Weather

Powered by Foreca

Saturday 10 October

14°C

8°C

0 %

Additional weather tips

Max wind speed: 15.0 km/h

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