Afon Seiont – Caernarfon Castle loop from Caeathro

Routes

Running trails & routes

Afon Seiont – Caernarfon Castle loop from Caeathro

Moderate

runners

Afon Seiont – Caernarfon Castle loop from Caeathro

01:24

13.5km

80m

Running

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: August 6, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions.

After 6.66 km for 75 m

Closed: • 11:00 PM-7:00 AM (otherwise open)

After 6.85 km for 75 m

Closed: • 11:00 PM-7:00 AM (otherwise open)

Waypoints

Start point

Parking

Get Directions

3.32 km

Bench on Lon Eifion

Highlight • Rest Area

5.85 km

Caernarfon Cycle Path Entrance

Highlight • Rest Area

6.31 km

Afon Seiont

Highlight • Other

6.56 km

The Museum of the Royal Welch Fusiliers

Highlight • Historical Site

6.79 km

View of Caernarfon Castle

Highlight • Historical Site

Castell Caernarfon is recognised around the world as one of the greatest buildings of the Middle Ages.

This fortress-palace on the banks of the River Seiont is grouped with Edward …

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7.04 km

Caernarfon Castle

Highlight • Castle

A medieval fortress situated on the on the banks of the River Seiont, Caernarfon Castle has protected Caernarfon since the 11th century. The magnificent castle is open to visitors from …

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7.17 km

Palace Street, Caernarfon

Highlight • Settlement

Palace Street in Caernarfon was awarded the "Welsh Rising Star" award at the Great British High Street Awards 2019! The beautiful street is becoming increasingly popular with independent shops and …

Translated by Google •

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7.28 km

Caernarfon Castle

Highlight • Monument

Royal fortress-palace built on legends and bitter medieval conflict Caernarfon Castle is recognised around the world as one of the greatest buildings of the middle ages

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