Hill data: The Database of British and Irish Hills v18.6 (CC BY 4.0)Height663 m2,175 ft
Grid RefSO 20707 27947
OS MapOL13OS Explorer
AreaBlack Mountains
Crowned by a cairn, Mynydd Llysiau reaches 663 m in the Black Mountains. Waun Fach is its nearest neighbour on the list at 2.2 km, followed by Pen y Gadair Fawr at 2.4 km and Pen Allt-mawr at 3.6 km. Its drop is 42 m.
New to the Pennants?Read our guide: What Are The Welsh Pennants?Summit Weather
Our Route
Distance11.1 mi17.8 km
Ascent1,160 m3,810 ft
Time6h 25mwalking
Start & FinishSO 2525 2846Circular route, back to the same spot
DirectionsAlso on this route: Waun Fach, Pen y Gadair Fawr, Chwarel y Fan
Safety: Routes are a guide only. Carry a map and compass and know how to use them, check the weather before you go, and turn back if in doubt. You use this route at your own risk.
