Black Mountain & Fforest Fawr · 632m
Fan Llia
Good conditions for hiking — 67% chance of rain, tops likely in cloud.
7-day forecast
Select a day for its full breakdown
Conditions
Best time to be on summit: 13:00
Mountain conditions on Tue
Hourly forecast · full day · summit-level cloud
Recommended outing window: 10:00–12:00 · the longest daylight stretch with tolerable rain and wind.
About Fan Llia
Fan Llia is a Nuttall reaching 632 m (2,073 ft), in Black Mountain & Fforest Fawr, Wales.
Nuttalls are summits in England and Wales over 2,000 ft (610 m) with at least 15 m of drop on all sides, listed by John and Anne Nuttall.
This is background information only — it does not describe the route, the terrain or the conditions underfoot. Check the live score above and follow a proper route guide before setting out.
Location
Everything you need for this hill
The route, the mapping, where to park and who to check with — all gathered here so you don't have to go looking.
Paper map
A paper map is worth carrying in the hills: phone batteries can run out and signal can disappear.
- OS Explorer
- OL12 East
- OS Landranger
- 160
Suitability scores are generated by Hillcast from Open-Meteo forecast data · Updated Tue 11:15. Always check MWIS and SAIS before heading out. Hill data © Database of British and Irish Hills (Creative Commons Attribution) · All data sources.