Walking in the Black Mountains - Grwyne Fawr

I am trying to keep up with my preparation for the Wye Valley Walk by getting up into the Black Mountains near Abergavenny. 

Today I set off along the Grwyne Fawr River, then up past the reservoir of the same name and into the hills above. The uplands were alive with displaying Meadow Pipits and Sky Larks, with constant song throughout the walk. Best birds were a pair of Dippers on the lower river and a Red Grouse near Twyn Talycefn. 

This walk is 10 miles in total with a height gain of 450 metres.