Afon Seiont – View of Caernarfon Castle loop from Bontnewydd

Routes

Running trails & routes

Afon Seiont – View of Caernarfon Castle loop from Bontnewydd

Moderate

runners

Afon Seiont – View of Caernarfon Castle loop from Bontnewydd

01:17

12.0km

70m

Running

Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 6, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions.

After 5.55 km for 75 m

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

Waypoints

Start point

Bus stop

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2.92 km

Caernarfon Cycle Path Entrance

Highlight • Rest Area

3.35 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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3.46 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 …

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3.76 km

Afon Seiont

Highlight • Other

4.85 km

Victoria Dock Marina, Caernarfon

Highlight • Structure

Caernarfon's Victoria Dock was built in the 1800s to receive timber sailed over from Scandinavia. It wasn't busy for long though, as the arrival of the railway somewhat undermined its …

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5.07 km

Caernarfon Harbour

Highlight • Structure

Lovely little harbour with lots of boats. You can walk along the sea front and there are bars, pubs and restaurants nearby and around the harbour to visit.

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5.13 km

St Mary's Church, Caernarfon

Highlight • Religious Site

Beautiful little church integrated into the city wall.

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5.68 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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