The Cob Causeway – Porthmadog Harbour loop from Penrhyndeudraeth

The Cob Causeway – Porthmadog Harbour loop from Penrhyndeudraeth

Moderate

331

riders

The Cob Causeway – Porthmadog Harbour loop from Penrhyndeudraeth

03:10

75.9km

480m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: August 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Tirwedd Cenedlaethol Llŷn

Waypoints

Start point

Train Station

Get Directions

3.80 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. …

Tip by

5.27 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 •

Tip by

13.1 km

View of Criccieth Beach and Castle

Highlight • Beach

13.6 km

Criccieth Castle, town and seafront

Highlight • Viewpoint

Beautiful small Welsh town with plenty of cafés, a nice sea front, promenade, pebble beach, and a rather obvious 13th century castle overlooking the town.

Tip by

16.4 km

The grave of the Welsh-born British Prime Minister who was in office 1916-1922. He was a wartime leader and reformer of the welfare state.
Lloyd George was also a non-conformist, hence he's not buried in a cemetery.

Tip by

38.3 km

Abersoch Village and Harbour

Highlight • Beach

Once a thriving fishing village Abersoch is now more reliant on tourism with water sports, sailing and recreational fishing bringing the main income.
It's a nice seaside village with a …

Tip by

48.8 km

Pwllheli town centre and beach

Highlight • Beach

Pwllheli is a small town with several cafés, pubs and restaurants, as well as a big supermarket (Asda), long sandy beach, promenade and marina.

In terms of tourism, Pwllheli is …

Tip by

70.4 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 …

Tip by

75.9 km

End point

Train Station

Way Types & Surfaces

Way Types