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Porth Penrhyn Harbour – Old Railway Tunnel loop from Bangor

Routes

Running trails & routes

Porth Penrhyn Harbour – Old Railway Tunnel loop from Bangor

Hard

runners

Porth Penrhyn Harbour – Old Railway Tunnel loop from Bangor

02:01

18.6km

270m

Running

Hard run. Very good fitness required. Mostly accessible paths. Some sure footedness required. The starting point of the route is accessible with public transport.

Last updated: May 7, 2026

Tips

Temporary access restrictions

Includes segments with temporary access restrictions.

After 2.35 km for 131 m

Customers only

Waypoints

Start point

Train Station

Get Directions

2.41 km

View of the Menai Strait

Highlight • River

Great views over the Menai strait

Tip by

3.98 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 •

Tip by

4.13 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.

Tip by

5.57 km

Afon Cegin

Lake

6.52 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

11.1 km

Old Railway Tunnel

Highlight • Structure

18.6 km

End point

Train Station

Way Types & Surfaces

Way Types

12.8 km

1.88 km

1.70 km

849 m

793 m

375 m

159 m

Surfaces

15.3 km

2.29 km

599 m

203 m

121 m

< 100 m

Elevation

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

Highest point (120 m)

Lowest point (0 m)

Weather

Thursday 14 May

12°C

7°C

-- %

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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 Bangor

Bangor Pier

View of the Menai Strait

Porth Penrhyn