GPS Cycle and Walking Routes

Caernarfon Circular Coastal Walk

8 miles (12.5 km)

This popular Welsh seaside town marks the start of the epic Llyn Coastal Path which takes you along the beautiful Llyn Peninsula. This walk uses part of the long distance trail and a section of a dismantled railway line to create a lovely circular walk around the town.
The walk starts at the historic Caernarfon Castle in the town centre. The castle dates back to the 11th century and has a fascinating history. The route then crosses the Aber Swing Bridge which crosses theAfon Seiont. You then follow the coast path south to Llanfaglan where you will pass the noteworthy St Baglan's Church. The GradeIlisted building dates from the 13th century with alintelconsisting of a 6th-century inscribed stone positioned over the doorway.
The route then runs along the lovely Foryd Bay which is also a nature reserve with lots of birdlife to look out for. It is located at the south-western end of theMenai Strait and includes large areas ofmudflatsandsalt marsh.Keep your eyes peeled for waders and wildfowl including brent goose,jack snipe,spotted redshankandgreenshank.
The walk then leaves the coast to head east through the countryside to Dinas. There is a train station here on the Welsh Highland Railway which you could catch back into Caernarfon if your legs are weary. This route picks up the Lon Eifion shared walking and cycling trail which follows a disused railway path north. You'll cross the Afon Gwyrfai before returning to Caernarfon.
The town is on the edge of the Snowdonia National Park where there's lots of great options for walkers. On the other side of the Menai Strait you can visit Anglesey for more fine coastal trails.

Caernarfon OS Map - Mobile GPS OS Map with Location tracking

Caernarfon Open Street Map - Mobile GPS Map with Location tracking

Walks near Caernarfon

  • Lon Eifion - This splendid cycling and walking trail runs along a disused railway path from Caernarfon to Bryncir on the edge of the Snowdonia National Park
  • Llyn Coastal Path - Follow the Llyn Peninsula from Caernarfon to Porthmadog on this stunning coastal walk
  • Newborough Forest - Explore this fabulous coastal forest in Anglesey on this walking route in Wales
  • Malltraeth - This quiet Anglesey village has some stunning walking paths along the beautiful Maltreath Estuary or Cob Maltraeth.
  • Lon Las Cefni - This cycle trail explores a lovely part of the Isle of Anglesey.The route runs for about 9 miles with some pleasant riverside trails, traffic free sections and a beautiful lake at the end of the ride.


Caernafon Northeast Tower and Queens Gate

Caernafon Northeast Tower and Queens Gate

Pont yr Aber Caernarfon Aber Bridge - - 619200

Pont yr Aber Caernarfon Aber Bridge

Eglwys S Baglan Llanfaglan St Baglan's Church - - 961202

Llanfaglan St Baglan's Church

Bird Watching Hide at south east end of Foryd Bay - - 150658

Bird Watching Hide at south east end of Foryd Bay


Dinas station building

Afon Seiont - - 575886

Afon Seiont


GPS Files

GPX File

Caernarfon.gpx (On Desktop:Right Click>Save As. On Ipad/Iphone:Click and hold>Download Linked File)

Memory Map Route

Caernarfon.mmo (On Desktop:Right Click>Save As. On Ipad/Iphone:Click and hold >Download Linked File)