Caernarfon from Betws-y-Coed loop — Parc Cenedlaethol Eryri / Snowdonia National Park

Caernarfon from Betws-y-Coed loop — Parc Cenedlaethol Eryri / Snowdonia National Park

Hard

121

riders

Caernarfon from Betws-y-Coed loop — Parc Cenedlaethol Eryri / Snowdonia National Park

05:27

107km

1,430m

Road cycling

Prepare for a challenging road cycling adventure through the dramatic landscapes of Eryri (Snowdonia) National Park. This difficult 66.7-mile (107.3 km) loop demands very good fitness, featuring a substantial 4677 feet (1425 metres) of elevation gain over approximately 5 hours and 26 minutes. You will experience towering mountains, deep valleys,…

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

Start point

Parking

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9.71 km

Siabod Cafe

Highlight • Cafe

Award winning cafe brilliantly set up for outdoor adventures. Bike friendly outdoor seating. Friendly, knowledgeable staff. Open Sun-Fri 0730-1800, Sat 0730-2000.

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18.8 km

Pen-y-Pass Climb from Capel Curig

Highlight (Segment) • Mountain Pass

A gradual ascent at 4.7% for 6 kilometres with the maximum gradient 10%.

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19.0 km

Llanberis Pass – Pen-y-Pass Climb

Highlight (Segment) • Climb

Awesome mountain road from Nant Peris in the west to the top of Pen-y-pass in the east. It's a long climb up from Nant Peris or an exciting descent in …

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65.0 km

View of Snowdon (Yr Wyddfa) Across Llyn Nantlle Uchaf

Highlight • Viewpoint

Nantle Valley is well known for its mountains and ridge. A lot of historic settlements and slate mining. Stunning views of Snowdonia. Road surface is good watch out for sheep …

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69.2 km

Drws y Coed Climb

Highlight (Segment) • Climb

A 4.3km climb in Dyffryn Nantlle with a deceptive average gradient of 3.3% with the final section closer to the maximum gradient of 12.4%.

A 4.3km climb in Dyffryn Nantlle …

Translated by Google •

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70.7 km

View of Y Wyddfa

Highlight • Other

77.0 km

View of Beddgelert and the Glaslyn River

Highlight • Viewpoint

Take care in winter months but seeing the area is wonderful watch out for cattle grids

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81.6 km

Llyn Dinas

Highlight • Natural

Beautiful views across Llyn Dinas from the A498. Snowdon is to the north and the Watkin path starts a little further northeast up the road. Views south up onto Mynydd Llyndy which is managed by the National Trust.

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107 km

Royal Oak Hotel, Betws-y-Coed

Highlight • Restaurant

Betws-y-Coed is a village and community in the Conwy valley in Conwy County Borough, Wales, located in the historic county of Caernarfonshire, right on the boundary with Denbighshire, in the …

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107 km

End point

Parking

Way Types & Surfaces

Way Types

55.4 km

50.6 km

1.29 km

< 100 m

Surfaces

77.4 km