Cyclists.com

National Cycle Route 42

Llancayo, Monmouthshire, United KingdomRoad

Signed route The waymarked National Cycle Network Route (National Cycle Network 42), traced from OpenStreetMap and measured against the terrain model; no member has recorded it yet. Ridden it? Add your recording and photos.

58 km
Distance
770 m
Elevation gain
Moderate
Difficulty
Paved
Surface
Download GPXMap

Elevation profile

Total ascent
770 m
Distance
58 km
0200400600m0 km204058 km540 m · highest, at 46.6 kmStartFinish

Route overview

Suitable for cyclists ready for moderate distance and 770 m climbing.

58 km cycle from Llancayo to Llanigon in Monmouthshire with 770 m climbing on minor roads.

This point-to-point route starts near Llancayo at 26 m altitude, initially climbing steadily for 2.6 km gaining 55 m at around 2.1%. It passes through Trostrey, Bettws Newydd, and climbs again from 7 to 9.9 km, gaining 66 m. After Llanddewi Rhydderch at 11.4 km, a steeper climb starts at 11.6 km rising 67 m over 1.3 km with a max gradient of 8.7%, reaching 151 m elevation. The route continues to Abergavenny at 19.2 km where facilities include shops, pubs, a café, a bike repair stand, a petrol station, toilets, and a railway station that can serve as a bailout point. Beyond, a climb from 20.8 to 22.8 km gains 98 m at 5%, passing Mardy and Pantygelli. The route crosses beneath peaks like Twyn-yr-Allt (344 m) near 22.4 km and Great Llwygy (279 m) near 27.9 km. After Stanton at 28.7 km, the climb between 32.7 and 35.1 km gains 46 m at 2%. Near 36.2 km the route passes under Graig Ddu (500 m). The longest and toughest climb spans 39.8 to 45.9 km, gaining 255 m at an average of 4.2%, with a maximum of 10.6%, reaching 540 m altitude. From 46.7 km, a long descent of 9.1 km drops 384 m towards Llanigon. The surface is predominantly paved minor roads (94%), with minor sections on quiet streets, tracks, a main road, and cycle path. There is one significant stretch of 20.9 km without café, shop or water from 36.5 km to 57.4 km, so provisioning before this section is advisable. Named roads include 5.5 km on Old Hereford Road. The gradient includes 3.1 km over 5%, and 1.2 km over 8%.

Highlights

  • Llancayo Hill near start at 137 m
  • Abergavenny town facilities at 19 km
  • Graig Ddu peak at 500 m near 35 km
  • Long climb up to 540 m before 46 km

Along the route

Measured from the recorded track and OpenStreetMap.

Places passed

  1. Bettws Newydd 3.3 km
  2. Lower Coed Morgan 9.2 km
  3. Coed Morgan 9.9 km
  4. Llanddewi Rhydderch 11.4 km
  5. Abergavenny 19.2 km
  6. Mardy 22.4 km
  7. Pantygelli 24.5 km
  8. Stanton 28.7 km
  9. Llanthony 36.2 km
  10. Capel-y-ffin 41.8 km
  11. Ffordd-las 55.6 km

Climbs

ClimbStarts atLengthGainAverageMaxTop
0 km2.6 km55 m2.1 %3 %82 m
7 km2.9 km66 m2.3 %4 %103 m
11.6 km1.3 km67 m5 %8.7 %151 m
20.8 km2 km98 m5 %7.9 %163 m
32.7 km2.4 km46 m2 %3.2 %224 m
39.8 km6.1 km255 m4.2 %10.6 %540 m

High point 540 m at 45.9 km; low point 26 m. Passes beneath Llancayo Hill, Twyn-yr-Allt, Great Llwygy.

What this ride is like

Measured from OpenStreetMap along the track and the elevation profile.

Roads
94% minor road · 2% quiet street · 1% track · 1% main road
Fast roads
13.8 km on roads with a limit of 80 km/h or more
Main roads used
Old Hereford Road (6 km)
Surface
Paved throughout
Gradient
35% climbing · 28% descending · 37% flat
Steep sections
3.1 km over 5% · 1.2 km over 8% · steepest 500 m averages 9.9% at 45 km
Longest descent
9.1 km from 46.7 km, dropping 384 m

Along the way

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

Longest stretch without a café, shop or water: 21 km, from 37 km to 57 km.

Food, water and shops

  1. 3.3 kmBlack Bear · pub · on the route
  2. 19.4 kmAldi · supermarket · 90 m off route
  3. 19.4 kmHydrogen Fuelling Station · petrol station · 80 m off route
  4. 19.9 kmToilets · on the route
  5. 20 kmRate of Rise Coffee Roastery · café · 30 m off route
  6. 20.2 kmH. Shackleton · pharmacy · 60 m off route
  7. 20.3 kmRepair stand · on the route
  8. 24.2 kmThe Crown · pub · on the route
  9. 29 kmQueen's Head · pub · 40 m off route
  10. 36.1 kmDrinking Water · drinking water · 200 m off route
  11. 36.4 kmToilets · 140 m off route
  12. 36.5 kmHalf Moon Inn · pub · on the route

Need to bail out?

  • 19.4 kmAbergavenny (station), 430 m off route

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

Worth a stop

  • 5.6 kmClytha Castle (castle)
  • 16.2 kmTredilion Fruit Farm (attraction)
  • 19.8 kmCastell Y Fenni (castle)
  • 36.4 kmLlanthony Priory (attraction)
  • 41.7 kmThe Monastery Church, Capel-y-Ffin (ruins)
  • 48.2 kmPen-y-Beacon Stone Circle (archaeological site)

Stay after this ride

  • Hay Outdoor Training · campsite · 830 m from the finish
  • Hay-On-Wye Caravan Park · campsite · 920 m from the finish
  • St. Mary's B&B · guest house · 2.2 km from the finish
  • The Swan at Hay · hotel · 2.3 km from the finish
  • Seren Bach Campsite · campsite · 2.3 km from the finish

Practical information

Surface
Paved
Route shape
Point to point
Riding time
4 h 10 min
Best months
Jun to Sep — daily highs of 18–21 °C in those months

Know before you go

  • 20.9 km stretch with no café, shop or water after 36.5 km
  • 13.8 km on fast roads with 80 km/h+ speed limits

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

2 photographs from the road

Photo: John H Darch · CC BY-SA 2.0 · Wikimedia Commons · Photo: M J Roscoe · CC BY-SA 2.0 · Wikimedia Commons · Photo: Oscar Taylor · CC BY-SA 2.0 · Wikimedia Commons