The pair, a man and woman from Northampton, had been following a way-marked trail but lost the markers and ended up in an area of deep heather and gorse. Disorientated and confused in deteriorating conditions, the couple were not able to offer any idea about their whereabouts other than being above the lake and that they parked at the dam-end.
With phone signals too poor to make use of any of the usual strategies to quiz smart-phones for location information, it took some inspired detective work on the part of the handler to be able to transform this information into a feasible search area.
Team volunteers made their way to the lake Vyrnwy Hotel car park where the local gamekeeper was able to escort a Team vehicle up a hill track to within a few hundred meters of where the casualties were eventually found, cold but uninjured.
Team vehicles were back at base by 10:00 p.m.