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Conglog Slate Quarry Ruins – Rhosydd Chapel Ruins loop from Blaenau Ffestiniog

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Hiking trails & Routes

Conglog Slate Quarry Ruins – Rhosydd Chapel Ruins loop from Blaenau Ffestiniog

Moderate

4.9

(22)

126

hikers

Conglog Slate Quarry Ruins – Rhosydd Chapel Ruins loop from Blaenau Ffestiniog

02:21

7.37km

280m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: April 16, 2026

Waypoints

Start point

Bus stop

Get Directions

1.35 km

Conglog Slate Quarry Ruins

Highlight (Segment) • Structure

The remains of a slate mining area. There is much to discover and take pictures of here.

Translated by Google •

Tip by

3.70 km

View of Llyn Idwal and Idwal Falls

Highlight • Viewpoint

3.92 km

Rhosydd Quarry — Ruins and Waterfall

Highlight • Waterfall

A poignant vestige of the area’s slate mining heritage. These mines produced around 200 million slates from the 1830s until the beginning of the 20th century. Conditions for the workers, who lived on site during the week, were grim. Average life expectancy was just 44 years. What remains today is a mixture of the barracks and workhouses.

Tip by

4.94 km

Rhosydd Chapel Ruins

Highlight • Historical Site

The haunting remains of the chapel that used to serve the men who worked at the Rhosydd Quarry. It makes for a stunning foreground for your photographs. This area is peppered with remains of the slate mining industry's infrastructure.

Tip by

5.78 km

Ruins of Slate Building by the Lake

Highlight • Historical Site

6.16 km

Cwmorthin Slate Mill

Highlight • Historical Site

Cwmorthin Slate Quarry is an impressive area, a magical hanging industrial valley above Tan y Grisiau that highlights Wales' industrial heritage with its massive works and ruins. It was in operation between 1810 and 1939 and has five different underground levels which were serviced with extensive trackways and machinery. Many of the surface buildings, such as the slate mills, can still be seen. If you are a photographer, this is the place to come in the early summer light or the cold winter mist.

Tip by

6.37 km

Cwmorthin Falls

Highlight • Viewpoint

Car park gets full up top so park sensibly park close to next car gives more space for others. Don’t park in front of gate as this is used by farmer Go Below and mountain/cave rescue. More parking available at bottom of hill.

Tip by

6.45 km

Rhaeadr Ogwen (Ogwen Waterfall)

Highlight • Waterfall

You can drive almost directly to the waterfall by car. The car park is a popular starting point for hikes, even higher up.

Translated by Google •

Tip by

7.37 km

End point

Bus stop

Way Types & Surfaces

Way Types

5.16 km

1.06 km

662 m

439 m

< 100 m

Surfaces

4.35 km

1.56 km

1.36 km

< 100 m

Elevation

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

Highest point (440 m)

Lowest point (180 m)

Weather

Tuesday 30 June

16°C

12°C

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Comments

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Conglog Slate Quarry Ruins – Rhosydd Chapel Ruins loop from Blaenau Ffestiniog

Conglog Slate Quarry Ruins

View of Llyn Idwal and Idwal Falls

Rhosydd Quarry — Ruins and Waterfall

Rhosydd Chapel Ruins

Ruins of Slate Building by the Lake

Cwmorthin Slate Mill

Cwmorthin Falls

Rhaeadr Ogwen (Ogwen Waterfall)

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