BNPS.co.uk (01202 558833).Pic: MyrddynPhillips/BNPS..***Please Use Full Byline***..Mighty Thack Moor...Britains latest mountain...Two Englishmen (and a Welshman) went up a hill but came down a mountain.....Three ramblers have elevated an English hill to mountain status after they remeasured it at just three-quarters-of-an-inch above the key height...At 1,998ft, Thack Moor in the Cumbrian Penines fell just 2ft short of being classified as a mountain by official mapmakers the Ordnance Survey...But armed with state-of-the-art GPS technology, intrepid hillwalkers John Barnard, Graham Jackson and Myrddyn Phillips set out to test the well-established listing...On two separate occassions the men ascended to the hill's summit and accurately measured its height at exactly 609.62 metres...The reading topped the magic mountain mark of 2,000ft by just three-quarters-of-an-inch...The Ordnance Survey has checked the new data and has confirmed it will amend its maps and listings, meaning Thack Moor will become England's 254th mountain..