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Natural Monuments

Dorothea Quarry and Beam Engine

Natural Monuments

Dorothea Quarry and Beam Engine

Highlight • Natural Monument

Dorothea Quarry and Beam Engine

Name: Dorothea Quarry and Beam Engine
Rating: 2

Recommended by 19 hikers

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Location: Llanllyfni, Gwynedd, North Wales, Wales, United Kingdom

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Best Hikes to Dorothea Quarry and Beam Engine

4.8

(5)

hikers

1. Hiking loop from Nantlle

3.47km

00:55

30m

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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Easy

4.6

(5)

hikers

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

8.09km

02:22

220m

Intermediate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Intermediate

4.7

(3)

hikers

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

6.49km

01:56

190m

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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Easy

Tips

Alex Foxfield

March 5, 2021

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 remain, the deepest dropping 348 feet (106 m) below the surface. Quarrying ended here in 1970.

The pits constantly needed pumping in order for them to stay dry. In 1904, a Cornish beam engine was installed, which today is a Grade I-listed building. Its operation ceased in 1951, when it was replaced by electrical pumps.

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Elevation 130 m

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Location: Llanllyfni, Gwynedd, North Wales, Wales, United Kingdom

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Dorothea Quarry and Beam Engine

1. Hiking loop from Nantlle

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

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

Other Popular Places to Check Out

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