Regional Cycle Route 41
- 27 km
- 283 m
- Easy
- Paved
Elevation profile
- 283 m
- 27 km
Route overview
Suitable for riders able to manage moderate climbing over 26.8 km with varied terrain on paved roads.
Regional Cycle Route 41 is a 26.8 km loop in Gwynedd, starting and finishing at Morfa Nefyn.
Beginning near Ceidio at 0.4 km, the route passes through Nefyn at 3.8 km where facilities include pubs, a shop, and toilets close to the road. From 3.9 km there is a 1.4 km climb gaining 95 m at an average gradient of 6.6%, reaching its highest point of 135 m at 5.3 km. The route continues on mostly minor roads (75%), with 23% on main roads including 6.2 km without a cycle lane. It passes through Llannor, Efailnewydd, and Rhyd-y-clafdy before a longer climb of 2.3 km from 16.5 km that gains 64 m at 2.8% average. Facilities become sparse after 16.3 km with a longest stretch of 10.3 km without cafes, shops, or water. Moelypenmaen peak lies 340 m off-route at 7.9 km and Garn Boduan at 5 km. The route’s descent sections include a 2.3 km longest descent starting at 8.1 km dropping 64 m. The surface is fully paved with no gravel sections. Key named roads include the B4415 ridden for 4.6 km. The route’s elevations range from 11 m to 135 m, providing moderate climbing and descending experience.
Highlights
- Climb near Nefyn at 3.9 km
- Peak Garn Boduan at 5 km
- Moelypenmaen peak near 7.9 km
- Longest descent of 2.3 km from 8.1 km
Along the route
Places passed
Climbs
| Climb | Starts at | Length | Gain | Average | Max | Top |
|---|---|---|---|---|---|---|
| — | 3.9 km | 1.4 km | 95 m | 6.6 % | 10.2 % | 135 m |
| — | 16.5 km | 2.3 km | 64 m | 2.8 % | 4.3 % | 80 m |
What this ride is like
- Roads
- 75% minor road · 23% main road · 2% quiet street
- Main roads
- 6.2 km on main roads without a cycle lane — likely busier
- Fast roads
- 5.7 km on roads with a limit of 80 km/h or more
- Main roads used
- B4415 (5 km)
- Surface
- Paved throughout
- Gradient
- 25% climbing · 31% descending · 45% flat
- Steep sections
- 1.2 km over 5% · 0.7 km over 8% · steepest 500 m averages 9.9% at 4.2 km
- Longest descent
- 2.3 km from 8.1 km, dropping 64 m
Along the way
Food, water and shops
- 3.5 kmSpar · convenience store · on the route
- 3.5 kmRJ Jones · pharmacy · on the route
- 3.8 kmYr Heliwr · pub · on the route
- 3.8 kmToilets · 80 m off route
- 13.6 kmShop Efailnewydd · convenience store · 50 m off route
- 16.3 kmTu Hwnt I'R Afon · pub · on the route
Worth a stop
- 7.9 km — Moelypenmaen (peak, 153 m)
Practical information
- Paved
- Loop
- 1 h 55 min
- Jun to Sep — daily highs of 17–18 °C in those months
Know before you go
- Longest 10.3 km without café, shop or water from 16.3 km
- 6.2 km on main roads without cycle lanes
- 5.7 km on roads with 80 km/h speed limits

