I visited this part of the Brecon Beacons a year or two ago with two friends of mine, and always wanted to go back! So a little selfishly I organised a lets go for a stroll walk there! Last time I went the weather was pretty miserable so was hoping for maybe an improvement! To be honest most of the times I have been in the Brecons it has rained, which is a shame as it is lovely place to go 
walking and appreciate the hills!
However mother nature decided differently and the reports from the Met Office said that there was a lot of snow that had fallen the night before, although there was a ray of hope that the sun will appear later in the day. So on that glimmer we got in the car and began the drive. Then unfortunately put off by the weather, several members of the group pulled out. It was a shame really as I knew what the place was like where we were going, and if the sun was going to come out they would miss a real treat, and indeed that they did.
Helen P and I decided that we would keep 
going as some new members had shown interest in the walk so we had to turn up!! As we drew nearer to the Brecon Beacons the weather improved considerably with a clear blue sky and the sun glistening off the snow! The roads were a little bit comical as we arrived at the start point, Blaenau Car Park (SN79917 238719). To which point the two yet unknown members of the group seemed to carry on the track past the car park!! :) Anyway after 
verifying who I was, Dave (new member) and Gary (new member) introduced themselves! After putting on the boots and wrapping up warm we began walking up towards a reservoir which legend has it is the location of the “Lady of the Lake”.
The snow was dazzling everywhere even at the lower levels where we were at the start it was a several inches deep and perfect for snowballs and snowman :) Which Helen P did decide to make when we stopped for a breather. Although it looked more like a snow monkey! We made it up to the lake which had a small refuge. Someone had even left a shirt there too. Crazies! After looking across the lake we noticed and admired some fell runners who ran passed and up onto the top of Bannau Sir Gaer in what seemed minutes. Fair play! 
We decided to follow the same route so just in case the weather did turn, we would get the best views before it was too late.
We head due westwards up the gradient which is part of the lower Beacon Way, which joined the main Beacon path at SN797 220. We then followed the ridge up to the beautiful ridge walk of Bannau Sir Gaer. There were large snow overhangs here so we walked as close as we could without it being dangerous!! The light on the lake was 
refracting showing different colours of grey, white and blue. We followed the edge for a bit and stopped at the first top at Picws Du where we stopped and took the whole surroundings in! It was starting to get very cold at this point so we decided to push on. We walked across what looked like an arctic wilderness. We plummeted straight down into a col trying to not to slide down in the snow!! After losing my leg a few times in the drifts we began walking up the other side towards 
the second top. As it flattened out near the top, there were beautiful if crafted by artist patterns in the snow formed by the wind. We carried on through to the highest point of the ridge and the trig point at Twr y Fan Foel (802m). Got to love the welsh language, had a go at pronouncing it but was very poor!!
The visibility was excellent and you could see probably Cadir Idris in the north and certainly the border hills with England. A fantastic view 
of the main Brecon ramparts rolling off into the distance. We began the descent down and decided we would have lunch down on the opposite side of Llyn y Fan Fawr which was still bathed in sunlight.
Plodding down we managed to find the path down at Bwlch Giedd towards the lake, where we met a few others out for the day. Trying not to resist, but failing, I went for a wander on the frozen lake, hearing the cracks of the ice beneath. Not pushing it we decided to walk around to the little hill by the lake and had some lunch. Gary pretty much had a gourmet dinner with him. Top marks for preparation I tell you! Realising we only had about 
an hour or so light left and hoping for an amazing sunset we kept on back to the other lake.
The path skirted around the base of the ridge, at best I had to check the map several times and take bearings as the path could not be seen under a foot or so of snow and there were few if any other footprints for a guide. Then we picked up a little bit of altitude as we circled around Cefn Bryn y Fuwch, as we passed the beginning of the base of Bannau Sir Gaer we were presented with an awesome sunset over the ridge. Amazing.
We crossed over a few water channels and caught back up with the trail back down to the cars, passed the filter beds. It was getting dark now so the walk could not be better timed!!
Details:
Start and End: SN79917 238719
Distance: 14km
Total Altitude Climbed: 851m
Number of People: 4
Time: 7 hours
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