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Moelwyn Mawr from Tan-y-grisiau loop — Parc Cenedlaethol Eryri | Snowdonia National Park

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Hiking trails & Routes

Moelwyn Mawr from Tan-y-grisiau loop — Parc Cenedlaethol Eryri | Snowdonia National Park

Moderate

4.7

(65)

360

hikers

Moelwyn Mawr from Tan-y-grisiau loop — Parc Cenedlaethol Eryri | Snowdonia National Park

03:30

10.3km

540m

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: June 8, 2024

Tips

Your route passes through protected areas

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

Start point

Train Station

Get Directions

4.38 km

Craigysgafn Summit

Highlight • Viewpoint

A small rocky summit on the ridge between Moelwyn Mawr, and Moelwyn Bach.

Translated by Google •

Tip by

4.88 km

Moelwyn Mawr is a breathtaking peak that is surprisingly little-visited by most hikers. From the summit, you can see Cnicht’s ridge, Snowdon, Yr Aran, and Y Lliwedd. You can also observe 15 lakes nestled within the landscape.

Tip by

6.58 km

View of the Slate Quarry and Valley

Highlight • Structure

You can see in both directions down the valley. Just cut back on yourself on the way up the hill - a path has been laid

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6.83 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, …

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7.85 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.

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9.37 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

10.3 km

End point

Train Station

Way Types & Surfaces

Way Types

3.97 km

2.71 km

2.42 km

952 m

264 m

Surfaces

3.55 km

2.90 km

2.38 km

1.10 km

388 m

Elevation

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

Highest point (730 m)

Lowest point (190 m)

Weather

Tuesday 14 July

27°C

12°C

0 %

Additional weather tips

Max wind speed: 19.0 km/h

to get more detailed weather forecasts along your route

Comments

August 9, 2023,Rundtour vom Wasserfall 💦 des Afon Cwmorthin über den Stausee Lyn Stwlan, den Gipfel 🏔️ des Moelwyn Mawr und die Ruinen 🏚️ der örtlichen Schieferindustrie

The tour begins at a parking lot on the outskirts of Tanygrisiau. It is a small car park with about 20 spaces. Access is possible without any problems, but leads through a one-lane, very narrow road.

The path first takes us on a path past a larger waterfall onto a paved road that leads us steadily uphill to the dam …

Showing Translation

May 28, 2023,Moelwyn Mawr

Hike along the lower trail, which had good clear views of the coast and Snowdon. Once past the Dam section trail is an old slate miners path, which runs past a number of old ruins. Eventually meets up with trail leading up to Moelwyn Mawr peak, which is the least walked path to the top. Therefore, not so many people. …

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Moelwyn Mawr from Tan-y-grisiau loop — Parc Cenedlaethol Eryri | Snowdonia National Park

Craigysgafn Summit

Moelwyn Mawr summit

View of the Slate Quarry and Valley

Rhosydd Quarry — Ruins and Waterfall

Rhosydd Chapel Ruins

Rhaeadr Ogwen (Ogwen Waterfall)

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