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Llyn Cwmorthin – Rhosydd Chapel Ruins loop from Blaenau Ffestiniog

Routes

Hiking trails & Routes

Llyn Cwmorthin – Rhosydd Chapel Ruins loop from Blaenau Ffestiniog

Easy

4.8

(12)

hikers

Llyn Cwmorthin – Rhosydd Chapel Ruins loop from Blaenau Ffestiniog

01:40

5.18km

200m

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: May 18, 2026

Waypoints

Start point

Parking

Get Directions

115 m

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 …

Tip by

327 m

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 …

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707 m

Ruins of Slate Building by the Lake

Highlight • Historical Site

941 m

View of Llyn Idwal and Idwal Falls

Highlight • Viewpoint

2.58 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, …

Tip by

3.60 km

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.

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5.11 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

5.18 km

End point

Parking

Way Types & Surfaces

Way Types

5.05 km

< 100 m

Surfaces

3.70 km

1.40 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 (250 m)

Weather

Tuesday 19 May

12°C

8°C

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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 Cwmorthin – Rhosydd Chapel Ruins loop from Blaenau Ffestiniog

Cwmorthin Falls

Cwmorthin Slate Mill

Ruins of Slate Building by the Lake

Llyn Cwmorthin

View of Llyn Idwal and Idwal Falls

Rhosydd Quarry — Ruins and Waterfall

Rhosydd Chapel Ruins

Rhaeadr Ogwen (Ogwen Waterfall)

Nearby routes

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