Looking up Fan Hir to Fan Foel from the Onllwyn road to the South of the Mynydd Ddu massif.   © Gareth Pratt

Looking west towards Fan Gyhirych, Fan Hir and the Mynydd Du from Fan Nedd.   © Gareth Pratt

Fan Foel, Bannau Sir Gaer and Llyn Y Fan Fach from the West.   © Gareth Pratt

Looking E along the Bannau Sir Gaer ridge, with Fan Brycheiniog appearing as a great dome beyond. Taken from Waun Lefrith.   © David S Brown

Llyn y Fan Fach reservoir, with Picws Du in centre and Fan Brycheiniog behind to left.   © David S Brown

Llyn y Fan Fach dam, with Picws Du (749m, highest top on the Bannau Sir Gaer ridge) beyond. Taken from the ascent track for Fan Brycheiniog.   © David S Brown

Fan Brycheiniog from the West. Ultra-wide stitched photo taken from Picws Du, March 2008.   © David S Brown