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Y Llethr – Diffwys Summit loop from Twllnant

Routes

Hiking trails & Routes

Y Llethr – Diffwys Summit loop from Twllnant

Hard

4.5

(2)

hikers

Y Llethr – Diffwys Summit loop from Twllnant

06:06

18.9km

830m

Hiking

Hard hike. Very 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: May 15, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

Start point

Parking

Get Directions

1.07 km

Rhinog Range Parking Area

Highlight • Parking

A perfect parking spot with space for 3/4 vehicles. It's a great location to start your rambles through the Rhinog range and it's surroundings. There's a gift box available with …

Tip by

3.66 km

Y Llethr

Highlight • Viewpoint

I had a stunning day for a looped walk of the Llethr and Diffwys here. It is a beautiful ridge line with great views. Started and finished from Talybont.

Tip by

7.24 km

Crib-y-Rhiw Summit (Rhinogydd)

Highlight • Natural Monument

Crib-y-rhiw is a top of Y Llethr and a ridge in the Rhinogydd of Snowdonia, north Wales. The summit straddles a thin ridge connecting Y Llethr to Diffwys. Crib-y-rhiw is 679 metres high and is a UK listed Nuttall.

Tip by

9.22 km

Diffwys Summit

Highlight • Viewpoint

Diffwys Summit Cairn. Great views of the estuary and out to sea.

Tip by

10.8 km

Diffwys West Top

Highlight • Natural Monument

Diffwys West Top at 642m is a top of Diffwys in Snowdonia, North Wales, near Barmouth and forms part of the Rhinogydd. It is a gassy summit found on the …

Tip by

13.8 km

Pont Scethin Stone Bridge

Highlight • Historical Site

Whichever way you approach Pont Scethin, you'll have just ridden a cracking descent, and you're now faced with the climb back out again.

Although it's unlikely to be festooned with …

Tip by

18.9 km

End point

Parking

Way Types & Surfaces

Way Types

12.9 km

3.87 km

2.06 km

Surfaces

13.7 km

2.11 km

1.57 km

1.45 km

Elevation

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

Weather

Friday 10 July

28°C

12°C

-- %

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Comments

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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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Y Llethr – Diffwys Summit loop from Twllnant

Rhinog Range Parking Area

View of the Llŷn Peninsula

Y Llethr

Crib-y-Rhiw Summit (Rhinogydd)

Diffwys Summit

Diffwys West Top

Pont Scethin Stone Bridge

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