Eryri (Snowdonia) loop

Main roads

From the map

Longest gap between fuel

41 miles

Fuel stations near the line

14

Curvature

161 ° a mile

Campsites within 2 km

63

• The longest stretch with no fuel station within 1 km of the line runs from mile 65 to mile 107. Check it against your range with the fuel range calculator.
• The twistiest 20 miles run from mile 69 to mile 89, at 253 degrees of turning a mile.
• Passes: Horseshoe Pass (417 m, mile 5), Pen-y-Pass (359 m, mile 50).

Measured on the route line from OpenStreetMap data, which can be missing or out of date. Curvature is degrees of turning a mile, measured every 100 metres. On our routes they run from 6 on the E19 to 701 on the SP638.

Before you go

• The Horseshoe Pass has a popular cafe at the top and plenty of police attention.
• Llanberis Pass is narrow with walkers and parked cars near Pen-y-Pass.

On the way

1. Llangollen
2. Horseshoe Pass
3. Corwen
4. Betws-y-Coed
5. Capel Curig
6. Pen-y-Pass
7. Llanberis
8. Caernarfon
9. Beddgelert
10. Bala
11. Corwen
12. Llangollen