Llanfihangel-y-pennant and western ridge up Cyfrwy: route map, distance and time
811 m · Snowdonia
A hard mountain walk to the summit from Llanfihangel-y-pennant public path.
The Llanfihangel-y-pennant and western ridge starts at about 37 m and gains 758 m over 7.9 km to 780 m on the track. The first 2 km are the easy part, averaging 5%. The steepest kilometre is the one ending at 7.9 km, which climbs 145 m at an average of 17%, with a 500 m stretch from 7 km at about 21%. That last pull ends at the summit.
Llanfihangel-y-pennant and western ridge at a glance
| Distance | 7.9 km one way, to the top |
|---|---|
| Ascent | 790 m |
| Climb on the track | 758 m up, 16 m down on the way |
| Start and top of the track | 24 m to 784 m (summit 811 m) |
| Steepest 500 m | About 21%, from 7 km |
| Steeper than 1 in 5 | 6% of the way |
| Time up | 2h 55m by Naismith's rule |
| There and back | 4h 30m, down the same way |
| Grade | Hard |
| Start | Llanfihangel-y-pennant public path, LL36 9TU |
| Start grid reference | SH 671 087 |
| Summit grid reference | SH 703 133 |
| Parking | Llanfihangel-y-Pennant village car park; the postcode is approximate |
Llanfihangel-y-pennant and western ridge map
The track from the start (green) to the summit (blue), with a marker at each kilometre.
Height profile and getting to the start
Near the start
From OpenStreetMap, within 2 km. Check opening times before you rely on them.
Download the Llanfihangel-y-pennant and western ridge GPX
Ascent only: plan your way down. A planning track, not checked on the ground; it doesn't show safe scrambling moves. Track data © OpenStreetMap contributors (ODbL), heights from a terrain model.
Llanfihangel-y-pennant and western ridge kilometre by kilometre
Height, climb and average gradient for each kilometre of the track, with a grid reference at the end of each one to check your position on the map.
| At | Height | Climb | Gradient | Grid ref |
|---|---|---|---|---|
| 1 km | 50 m | +13 m | 1% | SH 674 096 |
| 2 km | 135 m | +85 m | 9% | SH 675 105 |
| 3 km | 256 m | +121 m | 12% | SH 678 113 |
| 4 km | 324 m | +68 m | 7% | SH 677 122 |
| 5 km | 449 m | +125 m | 12% | SH 682 125 |
| 6 km | 530 m | +81 m | 8% | SH 689 132 |
| 7 km | 635 m | +104 m | 10% | SH 696 133 |
| 7.9 km | 780 m | +145 m | 17% | SH 703 133 |
How long the Llanfihangel-y-pennant and western ridge takes
| Pace | To the top | There and back |
|---|---|---|
| Brisk 6 km/h, 8 min per 100 m up | 2h 20m | 3h 40m |
| Steady (Naismith) 5 km/h, 10 min per 100 m up | 2h 55m | 4h 30m |
| Relaxed 4 km/h, 12 min per 100 m up | 3h 35m | 5h 30m |
Times leave out stops. Coming down the same way, the table counts the ascent once; steep descents on rough ground can be as slow as the climb.
- Today: sunrise 07:48, sunset 18:12. Start by 12:42 to be down before dark, allowing 4h 30m for the walk and an hour for stops.
- Tomorrow: sunrise 07:50, sunset 18:10. Start by 12:40 to be down before dark, allowing 4h 30m for the walk and an hour for stops.
Cyfrwy summit weather for this route
There is no recent summit forecast cached for Cyfrwy right now. The main Cyfrwy page loads the live forecast when you open it. Open the live Cyfrwy forecast.
Before you go, also check: MWIS Snowdonia forecast · Met Office mountain forecast.
About Cyfrwy
More about Cyfrwy, with the live forecast.
Challenges that include Cyfrwy
More walks from Llanfihangel-y-pennant public path
Routes in Peakify's guides that start within 500 m of this one, for another day from the same car park.
- Llanfihangel-y-pennant Path up Cadair Idris
- Llanfihangel-y-pennant and western ridge up Craig-las
- Llanfihangel-y-pennant and western ridge up Craig-y-llyn
Other routes up Cyfrwy
| Route | Distance | Ascent | Time up | Grade |
|---|---|---|---|---|
| Tŷ Nant via Pony Path and western ridge | 3.6 km one way | 650 m | 1h 50m | Hard |
In an emergency
Call 999, ask for the police and then mountain rescue. Give your location (the start is at SH 671 087, the summit at SH 703 133), what happened and how many are in your group. If you have no signal for a call, a text to 999 works once you have registered your phone with emergencySMS: text "register" to 999 before you go.
Llanfihangel-y-pennant and western ridge: questions and answers
How far is the Llanfihangel-y-pennant and western ridge?
The Llanfihangel-y-pennant and western ridge is 7.9 km one way to the summit of Cyfrwy, with 790 m of ascent. There and back by the same way is about 15.8 km.
How long does the Llanfihangel-y-pennant and western ridge take?
About 2h 55m to the summit of Cyfrwy and 4h 30m there and back by Naismith's rule (5 km/h plus 10 minutes per 100 m of ascent), before stops. A relaxed group takes nearer 5h 30m for the round trip.
How steep is the Llanfihangel-y-pennant and western ridge?
The steepest 500 m averages about 21%, starting 7 km from the start, and 6% of the way is steeper than 1 in 5. The Llanfihangel-y-pennant and western ridge climbs 758 m in all on the track.
Where do you park for the Llanfihangel-y-pennant and western ridge?
The Llanfihangel-y-pennant and western ridge starts from Llanfihangel-y-pennant public path (postcode LL36 9TU). The grid reference is SH 671 087. Llanfihangel-y-Pennant village car park; the postcode is approximate
Is the Llanfihangel-y-pennant and western ridge suitable for beginners?
Not as a first mountain. Peakify grades it Hard: steep, rough ground where a slip matters. Build up on an easier route first.
What time should I start the Llanfihangel-y-pennant and western ridge today?
By 12:42 at the latest. Sunset on Cyfrwy today is 18:12, The Llanfihangel-y-pennant and western ridge takes about 4h 30m there and back, and that leaves an hour for stops. Start earlier in winter or if the forecast turns.
Is there a GPX for the Llanfihangel-y-pennant and western ridge?
Yes. Download it from this page. It is an ascent-only planning track from the start to the summit, plotted on OpenStreetMap paths and not checked on the ground.