The Cob Causeway – Porthmadog Harbour loop from Llanfrothen

The Cob Causeway – Porthmadog Harbour loop from Llanfrothen

Easy

5.0

(1)

riders

The Cob Causeway – Porthmadog Harbour loop from Llanfrothen

01:41

40.3km

220m

Road cycling

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride. The starting point of the route is right next to a parking lot.

Last updated: August 22, 2026

Tips

Cycling is not permitted along parts of this route

After 30.1 km for 155 m

After 32.8 km for 144 m

Waypoints

Start point

Parking

Get Directions

19.1 km

Coed Camlyn

Forest

25.3 km

Pont Briwet Bridge and Estuary

Highlight • Bridge

Pont Briwet is a road and railway bridge which crosses the River Dwyryd. Built in the 19th century by the Cambrian Railway Company, the bridge is a rare example of …

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25.7 km

Pont Briwet Bridge

Highlight • Viewpoint

The original Pont Briwet was built in the 19th century and was subsequently afforded Grade II-listed status. However, its condition meant that it had to be replaced by a newer …

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30.3 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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31.7 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 …

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31.8 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 …

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32.1 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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32.1 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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