old man old man foot sea stack island archipelago north coast scotland formed old red sandstone tallest britain old man popular climbed created erosion cliff hydraulic action time stack years old soon collapse sea geography old man stands close bay west coast island scotland seen ferry certain angles said resemble human figure winds faster metres second mph nearly time occur average days year combined depth sea quickly falls metres high energy waves western lead rapid erosion coast geology old man red sandstone stack rock currently tallest sea stack britain separated mainland metre debris nearly vertical sides metres wide rock composed layers soft sandy sandstone harder giving sides slab like profile history old man probably years old soon collapse stack mentioned saga written map exists point old man map similarly shows stack old man separated mainland sea stack time wider column smaller section arch base derived early nineteenth century storm washed away legs leaving today erosion continues metre crack appeared south face leaving large section eventually collapse climbing stack climbed july ascent featured great climb live bbc night outside broadcast million viewers featured pairs repeated original route whilst new lines climbed red blind person climb old man despite suffering left cent vision assistance scaled stack seven routes stack commonly original facing log book container buried summit record stack year base jump base jump stack died days later jump switzerland
Old Man of Hoy