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Routes
Running trails & routes
United Kingdom
Wales
North Wales
Gwynedd
Porthmadog

The Cob Causeway – Porthmadog Harbour loop from Porthmadog

Routes
Running trails & routes
United Kingdom
Wales
North Wales
Gwynedd
Porthmadog

The Cob Causeway – Porthmadog Harbour loop from Porthmadog

Moderate

19

runners

The Cob Causeway – Porthmadog Harbour loop from Porthmadog

01:28

14.2km

60m

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: April 30, 2026

Waypoints

A

Start point

Bus stop

Get Directions

1

4.03 km

The Cob Causeway

Highlight (Segment) • Bridge

This mile-long causeway crosses River Glaslyn as it reaches the estuary. Opened in 1811, this causeway carries the Ffestiniog Railway as well as an A road and a cycle path. …

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2

9.85 km

View of Snowdonia Mountains

Highlight • Viewpoint

Take a moment to appreciate this amazing view of the mountains. Sometimes the mountains reflect in the water here. If you are lucky you can also wave at the steam train as it passes by.

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3

10.5 km

Porthmadog Harbour Railway Station

Highlight • Structure

The current stone buildings date from 1878/79 and replace earlier wooden buildings that had been dismantled and reused elsewhere on the railway. The goods shed was added in 1880. In …

Translated by Google •

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4

10.5 km

Information Boards of Porthmadog

Highlight • Rest Area

You will find information boards here and there in Porthmadog. Take a moment to read them.

Translated by Google •

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5

10.6 km

Porthmadog Harbour

Highlight • Settlement

The marina is important to the city and remains a vibrant, vibrant center of activity. Porthmadog has an attractive harbor and attracts sailors and pleasure boaters from all over Europe …

Translated by Google •

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6

10.9 km

Porthmadog High Street and railway station

Highlight • Historical Site

A beautiful Welsh town with everything you need to top up before heading off in to the Snowdonian mountains. You may even pick up some of the language as it's generally Welsh speaking.

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7

11.0 km

Porthmadog Harbour Town

Highlight • Viewpoint

Porthmadog is simply a busy hub, a gateway to the Llyn Peninsula and Snowdonia National Park. It is a lovely harbour town with a gorgeous mountain backdrop. It also has …

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8

11.0 km

Cariad Gelato

Highlight • Cafe

Awesome Italian style gelato made locally and sold in the shop in Porthmadog or from a cool little kiosk on the sea front in Criccieth. Loads of great flavours that …

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B

14.2 km

End point

Bus stop

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Way Types & Surfaces

Way Types

5.36 km

3.66 km

3.24 km

1.75 km

136 m

Surfaces

8.51 km

3.16 km

1.63 km

740 m

109 m

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Elevation

Elevation

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

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Weather

Powered by Foreca

Thursday 7 May

17°C

7°C

34 %

Additional weather tips

Max wind speed: 12.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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