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Lôn Las Cymru (North)

114 km road cycling route721 m climbing8 h 06 minGPX

Penrhyndeudraeth, Gwynedd, United Kingdom · Road

A rolling 114 km road cycling route from Penrhyndeudraeth, Gwynedd through Minffordd, Pwllgoleulas and Bryncir, with 721 m of climbing.

Signed route The waymarked Lôn Las Cymru (North) (National Cycle Network 8), traced from OpenStreetMap and measured against the terrain model; no member has recorded it yet. Ridden it? Add your recording and photos.

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At a glance

Best for
Rolling day rides for fit, experienced riders
Distance
113.5 km
Point to point
Elevation gain
721 m
6 m per km
Riding time
8 h 06 min
moving time, estimated
Difficulty
Hard
Bike
Road bike
from the mapped surface
Surface
Mostly paved
95% paved · 3% unpaved · 2% no data
Traffic
Mostly minor roads
5 km on main roads without a cycle lane · 12.3 km where the limit is 80 km/h or more · 32.2 km on cycle paths or lanes
Food & water
Regular
208 cafés and restaurants · 40 shops · 4 water points · 9 petrol stations · 16 public toilets · 2 bike shops
Best months
Jun to Sep
Penrhyndeudraeth climate, 10 years
Navigation
GPX download
free, no sign-in
Start → finish
Penrhyndeudraeth

Map and elevation profile

Elevation profile

Total ascent
721 m
Distance
114 km
050100150200m0 km255075100114 km144 m · highest, at 37.7 kmStartFinish

Route description

  1. Penrhyndeudraeth
  2. Minfforddkm 2
  3. Pwllgoleulaskm 7
  4. Bryncirkm 31
  5. Llanwndakm 45
  6. Y Felinhelikm 57
  7. Penrhosgarneddkm 62
  8. Llanddaniel Fabkm 72
  9. Engedikm 93

This route begins at Penrhyndeudraeth and proceeds through Minffordd, Portmeirion, Porthmadog, Tremadog and multiple villages en route to Holyhead. The road surfaces are predominantly paved (95%), with a small portion of gravel or unpaved (3%) and some unmapped sections (2%). Road types include minor roads for 57 km, cycle paths for 30.3 km, quiet streets, paths, main roads, roads with cycle lanes, major roads and tracks covering the rest of the route.

Climbing totals 721 metres, mainly in the first half with three main climbs: a 3.6 km climb gaining 137 m at an average 3.8%, plus shorter climbs of 40 m and 47 m gain. The highest point is 144 m at 36.1 km with 73% of the route flat. Fast roads with 80 km/h limits cover 12.3 km, and 5 km of main roads lack cycle lanes.

The route passes near peaks such as Y Glog (198 m at 6.7 km) and others beneath 270 m. There are multiple bailout points with stations at Porthmadog, Criccieth, Caernarfon, Llanfairpwll, Bodorgan and Holyhead. Cafés, shops and pubs are available at various points including the start and finish, with the longest stretch without café, shop or water being 12.6 km between 84.7 and 97.3 km.

Highlights

  • Criccieth and Caernarfon Castles nearby
  • Bodowyr Chambered Tomb archaeological site
  • Cycle path sections totalling 30 km
  • Highest point at 144 m near 36 km

Along the route

Measured from the route line, the Copernicus elevation model and OpenStreetMap.

Places passed

  1. Portmeirion 3 km
  2. Porthmadog 4.6 km
  3. Tremadog 6.5 km
  4. Pwllgoleulas 7.1 km
  5. Penmorfa 8 km
  6. Golan 11.6 km
  7. Criccieth 17.4 km
  8. Llanystumdwy 21.5 km
  9. Bryncir 30.6 km
  10. Pant Glas 33.2 km
  11. Llanllyfni 38.7 km
  12. Pen-y-groes 39.8 km
  13. Groeslon 42.7 km
  14. Llanwnda 45.2 km
  15. Bontnewydd 46.8 km
  16. Llanfaglan 47.5 km
  17. Caernarfon 50.1 km
  18. Griffiths' Crossing 54.4 km
  19. Y Felinheli 57.4 km
  20. Aber Pwll 58.3 km
  21. Capel-y-graig 60.3 km
  22. Tŷ'n-y-lôn 61 km
  23. Penrhosgarnedd 61.5 km
  24. Bangor 62.5 km
  25. Menai Bridge 63.3 km
  26. Llanfairpwllgwyngyll 66.5 km
  27. Star 69 km
  28. Llanddaniel Fab 71.6 km
  29. Llangaffo 78.2 km
  30. Trefdraeth 83.7 km
  31. Bethel 84.6 km
  32. Dothan 90 km
  33. Engedi 92.5 km
  34. Llanfihangel yn Nhowyn 97.3 km
  35. Caergeiliog 101.2 km
  36. Valley 104.1 km
  37. Holyhead 109.7 km

Climbs

Climbs in ride order: where each starts, what this ride climbs, and the full named ascent
ClimbStarts atOn this rideTop on this ride
Unnamed climb6.1 km3.6 km · 137 m · 3.8 % · max 6.1 %140 m
Unnamed climb58.5 km1.8 km · 40 m · 2.3 % · max 5 %67 m
Unnamed climb63.2 km2 km · 47 m · 2.3 % · max 5.4 %68 m
Unnamed climb82.2 km1.9 km · 42 m · 2.2 % · max 3.9 %43 m

High point 144 m at 36.1 km; low point 0 m. Passes beneath Clogwyn Pwrsiog, Ynys Cerrig-Duon, Ynys Galch.

Traffic, surface and gradient

Measured from OpenStreetMap along the track and the elevation profile.

Mostly minor roads and streets on the map; 5 km is on main roads without a cycle lane.

Roads
52% minor road · 28% cycle path · 9% quiet street · 4% path · 8% other roads and tracks
Main roads
5 km on main roads without a cycle lane — likely busier
Fast roads
12.3 km on roads with a limit of 80 km/h or more
Cycle paths
32.2 km on cycle paths or roads with a cycle lane
Main roads used
Lôn Eifion (17 km)
Surface
Predominantly paved: 95% is mapped as paved, 3% as unpaved or gravel and 2% has no surface data.
Gradient
12% climbing · 14% descending · 73% flat
Steep sections
1.3 km over 5%
Longest descent
2.3 km from 16.3 km, dropping 75 m

Food, water and services

Within a few hundred metres of the track, from OpenStreetMap. Opening hours change — treat this as where to look, not a promise.

No stretch is longer than 15 km without a café, shop or water. Along the route: 208 cafés and restaurants, 40 shops, 4 water points, 9 petrol stations, 16 public toilets and 2 bike shops.

Food, water and shops in ride order

  1. 0 kmThe Eating Gorilla Coffee House · café · 280 m off route
  2. 4.5 kmLondis · convenience store · on the route
  3. 4.6 kmThe Port Cafe, Deli & Restaurant · café · 30 m off route
  4. 5.3 kmToilets · 50 m off route
  5. 17.5 kmNisa Local · convenience store · 30 m off route
  6. 17.6 kmTir a Mor · café · 30 m off route
  7. 21.4 kmToilets · 60 m off route
  8. 38.7 kmFfynnon Rhedyw · spring · 180 m off route
  9. 45.7 kmToilets · 90 m off route
  10. 50 kmBeics Menai · bike rental · 40 m off route
  11. 50.1 kmDrinking water · 60 m off route
  12. 50.5 kmCaffi Ty Winsh · café · on the route
  13. 57 kmToilets · on the route
  14. 63.2 kmBridge Inn · pub · 80 m off route
  15. 63.6 kmShell · petrol station · 150 m off route
  16. 98.6 kmMedical Centre · clinic · 100 m off route
  17. 106 kmToilets · 30 m off route
  18. 109.6 kmLidl · supermarket · 50 m off route

Need to bail out?

  • 4.4 km — Porthmadog Harbour (station), 50 m off route
  • 18.6 km — Criccieth (station), 300 m off route
  • 49.9 km — Caernarfon (station), 50 m off route
  • 66.6 km — Llanfairpwll (station), 840 m off route
  • 85.4 km — Bodorgan (station), 610 m off route
  • 109.7 km — Holyhead (station), 150 m off route

Whether bikes are carried depends on the service — check before relying on it.

Worth a stop

  • 17.8 km — Criccieth Castle (castle)
  • 21.4 km — David Lloyd George's Grave (attraction)
  • 44.2 km — Hên Gastell (ruins)
  • 50.1 km — Caernarfon Castle (castle)
  • 63 km — Gorsedd Stone Circle (ruins)
  • 75.8 km — Bodowyr Chambered Tomb (archaeological site)

Stay after this ride

  • The Dublin Packet · guest house · 240 m from the finish
  • Travelodge Holyhead · hotel · 360 m from the finish
  • George Hotel · hotel · 340 m from the finish
  • The Beach Hut · hotel · 600 m from the finish
  • The Orient · guest house · 780 m from the finish

Start and access

Starts at Penrhyndeudraeth. Mapped within a short walk of the start and finish, from OpenStreetMap.

At the start

Food and coffee
The Eating Gorilla Coffee House (280 m), Silver Lake (240 m), Lemon Tree (280 m)
Shops
Spar (320 m)

At the finish

Trains and ferries
Holyhead (150 m), Irish Ferries (120 m)
Food and coffee
Port Shop R&F Travel Retail (60 m), The Port Inn (140 m)
Shops
Lidl (190 m), Port Shop (70 m)

Know before you go

  • 12.6 km without café, shop or water between 84.7 and 97.3 km
  • 5 km on main roads without a cycle lane
  • 12.3 km on roads with 80 km/h+ speed limits
  • 1.3 km above 5% gradient

Routes are for inspiration. Roads, surfaces and conditions change — check locally and ride within your limits.

2 photographs from the road

Photo: Lewis Clarke · CC BY-SA 2.0 · Wikimedia Commons · Photo: 瑞丽江的河水 · CC BY-SA 4.0 · Wikimedia Commons · Photo: Peter Trimming · CC BY-SA 2.0 · Wikimedia Commons

About this route

Route line
Traced from the waymarked route’s relation in OpenStreetMap.
Elevation
Recalculated from the Copernicus GLO-90 terrain model every 50 m, not the device’s barometer.
Roads, surface, services
Measured along the line from OpenStreetMap extracts.
Best months
Ten years of ERA5 weather for Penrhyndeudraeth (Open-Meteo).
GPX
Generated from the route line: track points only, no timestamps or personal data.
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