Trade Route Brecon Beacons, 02 January 2010 at 12:35 hours. I was astonished by the number of people walking up Pen-Y-Fan on this day in January - literally hundreds. The snow was good but the visibility on top very poor. Camera details: EF28-135mm f/3.5-5.6 IS USM, 1/200 sec at f / 10