Martin will give us an insight into the area and into the two sources of the Taff. The Taf Fawr, which rises below Corn Du, south-west of Pen y Fan and flows south through the Beacons Reservoir, Cantref Reservoir and Llwyn-on Reservoir. Then there is the Taf Fechan, which rises immediately to the south of Pen y Fan and runs southwards through the two Neuadd Reservoirs, Pentwyn Reservoir and finally Pontsticill Reservoir before descending into a wooded gorge and flowing south-westwards around the Gurnos estate. Martin will explain the local names and point out major landmarks. He has written several publications about the area.

This walk goes off the path at one point, so expect a little bit of mud on your boots!

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