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Stage 3 of 3 · National Cycle Network Route 4 (part)← Stage 2

Swansea to Idole

57 km road cycling route245 m climbing4 h 06 minGPX

Swansea, United Kingdom · Road

A rolling 57 km road cycling route from Swansea to Idole through Uplands, Blackpill and Upper Killay, with 245 m of climbing. 57% is on cycle paths or roads with a cycle lane.

Signed route The waymarked National Cycle Network Route 4 (part) (National Cycle Network), traced from OpenStreetMap and measured against the terrain model; no member has recorded it yet. Stage 3 of 3 of the National Cycle Network Route 4 (part). Ridden it? Add your recording and photos.

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At a glance

Best for
Rolling day rides
Distance
57.3 km
Point to point
Elevation gain
245 m
4 m per km
Riding time
4 h 06 min
moving time, estimated
Difficulty
Moderate
Bike
Road bike
from the mapped surface
Surface
Mostly paved
89% paved · 7% unpaved · 4% no data
Traffic
Mostly cycle paths
2.1 km on main roads without a cycle lane · 32.5 km on cycle paths or lanes
Food & water
Regular
83 cafés and restaurants · 19 shops · 1 water point · 3 petrol stations · 12 public toilets · 8 bike shops
Best months
Jun to Sep
Swansea climate, 10 years
Navigation
GPX download
free, no sign-in
Start → finish
Swansea → Idole

Map and elevation profile

Elevation profile

Total ascent
245 m
Distance
57 km
050100150m0 km204057 km128 m · highest, at 54.1 kmStartFinish

Route description

  1. Swansea
  2. Uplandskm 2
  3. Blackpillkm 4
  4. Upper Killaykm 8
  5. Upper Loughorkm 14
  6. Llwynhendykm 20
  7. Llanellikm 26
  8. Pwllkm 29
  9. Kidwellykm 41
  10. Idolekm 57

Starting in Swansea, the route passes through Uplands, Brynmill, Singleton, and Blackpill within the first 4 km. It continues past Lower Sketty, Derwen Fawr, and Upper Killay. The ride then goes through Dunvant and Gowerton before reaching Loughor and Bynea by 16-17 km. The route proceeds through Llwynhendy, Trostre, and Machynys before entering Llanelli at 25.7 km. It passes Seaside, Sandy, Pwll, Burry Port and Pembrey by 35 km, then heads on towards Kidwelly and St. Ishmael. The road surface is mainly paved (89%) with 7% gravel or unpaved. Most of the ride (58%) is on cycle paths, with 31% on minor roads and 4% on main roads, including 2.1 km on main roads without a cycle lane. The longest named road section is 15.4 km on the Millennium Coastal Path. Facilities include cafés and shops near the start and along the route, but there is a 7.2 km stretch from 49 to 56.2 km without cafés, shops or water. A railway station is at Gowerton (12 km), Llanelli (25 km), Pembrey and Burry Port (32.6 km), Kidwelly (42 km), and Ferryside (49 km). The main climb starts at 49.4 km, covering 3.6 km with 122 m gain averaging 3.4% and topping at 128 m elevation. The route is mostly flat or gently undulating with 12% climbing, 6% descending and 82% flat. The highest point is 128 m at 53 km and the lowest is 1 m at 21.5 km.

Why ride this route?

  • 57% on cycle paths or lanes.

Highlights

  • Millennium Coastal Path, 15.4 km
  • Main climb 3.6 km, average 3.4%, top 128 m
  • Passes towns of Swansea, Llanelli, Kidwelly
  • Railway stations at Gowerton, Llanelli, Kidwelly, Ferryside

Along the route

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

Places passed

  1. Singleton 3 km
  2. Blackpill 4.2 km
  3. Lower Sketty 5 km
  4. Derwen Fawr 5.4 km
  5. Upper Killay 7.9 km
  6. Dunvant 8.8 km
  7. Gowerton 11.9 km
  8. Upper Loughor 14.3 km
  9. Loughor 14.9 km
  10. Bynea 16.7 km
  11. Llwynhendy 20.1 km
  12. Trostre 20.5 km
  13. Machynys 24.2 km
  14. Llanelli 25.7 km
  15. Seaside 25.7 km
  16. Sandy 27 km
  17. Pwll 28.6 km
  18. Burry Port 32.8 km
  19. Pembrey 34.9 km
  20. Kidwelly 41.4 km
  21. St. Ishmael 46.4 km
  22. Ferryside 48.9 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 climb49.4 km3.6 km · 122 m · 3.4 % · max 5.9 %128 m

High point 128 m at 53 km; low point 1 m.

Traffic, surface and gradient

Measured from OpenStreetMap along the track and the elevation profile.

Much of the route is separated from traffic: 57% is on cycle paths or roads with a cycle lane.

Roads
58% cycle path · 31% minor road · 5% quiet street · 4% main road · 2% other roads and tracks
Main roads
2.1 km on main roads without a cycle lane — likely busier
Cycle paths
32.5 km on cycle paths or roads with a cycle lane
Main roads used
Millennium Coastal Path (15 km), Clyne Cycle Path (7 km), Swansea Bay Cycle Path (4 km)
Surface
Predominantly paved: 89% is mapped as paved, 7% as unpaved or gravel and 4% has no surface data.
Gradient
12% climbing · 6% descending · 82% flat
Steep sections
0.9 km over 5%

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: 83 cafés and restaurants, 19 shops, 1 water point, 3 petrol stations, 12 public toilets and 8 bike shops.

Food, water and shops in ride order

  1. 0 kmEl Pescador · café · 60 m off route
  2. 0 kmCo-op Food · convenience store · 50 m off route
  3. 0 kmBoots · pharmacy · 540 m off route
  4. 1.7 kmRepair stand · 40 m off route
  5. 4.2 kmTexaco · petrol station · 280 m off route
  6. 7.2 kmThe Railway Inn · pub · on the route
  7. 11.5 kmMotley Pie & Coffee · café · on the route
  8. 11.9 kmWell · pharmacy · 40 m off route
  9. 12.4 kmTesco · petrol station · 40 m off route
  10. 17.7 kmToilets · 130 m off route
  11. 25.4 kmSpar · supermarket · 350 m off route
  12. 28.8 kmThe Pavilion Cafe · café · 60 m off route
  13. 32.3 kmToilets · 40 m off route
  14. 32.8 kmThe Co-operative Food · supermarket · 160 m off route
  15. 34.6 kmThe Pembrey Inn · pub · 60 m off route
  16. 41.2 kmCo-op Food · supermarket · 240 m off route
  17. 41.5 kmToilets · 50 m off route
  18. 48.9 kmTraeth Coffee · café · 60 m off route

Need to bail out?

  • 0 km — Tawe River Cruises (ferry), 280 m off route
  • 11.6 km — Gowerton (station), 120 m off route
  • 25.4 km — Llanelli (station), 690 m off route
  • 32.6 km — Pembrey and Burry Port (station), 200 m off route
  • 42.2 km — Kidwelly (station), 290 m off route
  • 49 km — Ferryside (station), 40 m off route

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

Worth a stop

  • 0 km — Helwick Lightship (attraction)
  • 4.3 km — The Mill Bridge (attraction)
  • 11.7 km — Bethel Calvinistic Methodist Chapel (ruins)
  • 15.4 km — Loughor Castle (castle)
  • 19.4 km — Water Lab (attraction)
  • 32.6 km — Amelia Earhart Monument (monument)

Stay after this ride

  • The Welsh Reindeer Retreat · guest house · 2.4 km from the finish
  • Church House Farm · campsite · 2.9 km from the finish

Start and access

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

At the start

Trains and ferries
Tawe River Cruises (280 m)
Food and coffee
El Pescador (60 m), Coast Line Cafe (410 m)
Shops
Co-op Food (50 m), Tesco (380 m)

Know before you go

  • 7.2 km with no café, shop or water from 49 to 56.2 km
  • 2.1 km on main roads without a cycle lane

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

2 photographs from the road

Photo: Bill Boaden · CC BY-SA 2.0 · Wikimedia Commons · Photo: Alan Hughes · CC BY-SA 2.0 · Wikimedia Commons · Photo: Peter Kazmierczak · CC BY-SA 2.0 · Wikimedia Commons

Stage of

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 Swansea (Open-Meteo).
GPX
Generated from the route line: track points only, no timestamps or personal data.
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