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Hiking trails & Routes

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

Hiking trails & Routes

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

Moderate

4.7

(9)

32

hikers

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

02:22

8.09km

220m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: July 31, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

A

Start point

Parking

1

1.94 km

Plas Dorothea Quarry and Ruins

Highlight (Segment) • Historical Site

Quite steep in places but amazing views.

Tip by

2

3.22 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

3

4.12 km

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

4

6.81 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

B

8.09 km

End point

Parking

Way Types & Surfaces

Way Types

2.16 km

1.59 km

1.53 km

1.50 km

1.31 km

Surfaces

3.46 km

2.43 km

1.60 km

383 m

224 m

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Elevation

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

Highest point (290 m)

Lowest point (100 m)

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Weather

Powered by Foreca

Thursday 8 October

16°C

10°C

63 %

Additional weather tips

Max wind speed: 28.0 km/h

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