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Porth Penrhyn Harbour – Old Railway Tunnel loop from Bethesda

Porth Penrhyn Harbour – Old Railway Tunnel loop from Bethesda

Easy

5.0

(2)

riders

Porth Penrhyn Harbour – Old Railway Tunnel loop from Bethesda

00:56

18.9km

250m

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 accessible with public transport.

Last updated: May 21, 2026

Tips

Includes a segment in which cycling is not permitted

After 7.29 km for 129 m

Waypoints

Start point

Bus stop

Get Directions

7.35 km

Bangor Waterfront

Highlight • River

A small university town in the North of Wales. With plenty of quirky cafes and coffee shops as well as the standard high street chains it has something for every …

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9.28 km

Porth Penrhyn

Highlight • Viewpoint

Here you cross the mouth of the Cegin River into the Menai Strait. Here is Port Penrhyn, once a vital port for the export of slate from the Penrhyn Quarry, …

Translated by Google •

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9.43 km

Just outside of Bangor, Porth Penrhyn is a pretty harbour on the edge of the Menai Strait. You'll find fishing boats and coastal freight ships moored up here along the dockside as well as lovely views across the water.

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11.7 km

Ford Crossing with Footbridge

Highlight • Bridge

The ford can be crossed using the footbridge. The road leading down to the ford from the old rail bridge side is steep. There is also access to a cycle path that runs alongside the river.

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11.9 km

Bangor to Tregarth Railway Path

Highlight (Segment) • Cycleway

Old railway path converted into a bike path. Goes from the South of Bangor down to Tregarth. The surface is compact gravel so perfect for even the fanciest road bikes. Nice to escape the roads for a bit.

Tip by

16.5 km

Old Railway Tunnel

Highlight • Structure

18.9 km

End point

Bus stop

Way Types & Surfaces

Way Types

8.34 km

7.51 km

2.58 km

325 m

162 m

< 100 m

Surfaces

18.5 km

224 m

162 m

< 100 m

Elevation

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

Highest point (180 m)

Lowest point (0 m)

Weather

Today

Monday 1 June

16°C

11°C

60 %

Additional weather tips

Max wind speed: 20.0 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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Porth Penrhyn Harbour – Old Railway Tunnel loop from Bethesda

Bangor Waterfront

Porth Penrhyn