ðə ɹˈaʊt ʌv ˈiːtʃ əv ðə ɡɹˈeɪt tɹˈeɪlz ɪz mˈɑːɹkt wɪð kˈʌlɚd dˈaɪəməndz ˌɔn ˈɔːɹdnəns sˈɜːveɪ ɛksplˈoːɹɚ wˈʌn:twˈɛnti fˈaɪv θˈaʊzənd ænd lˈændɹeɪndʒɚ wˈʌn:fˈɪfti θˈaʊzənd mˈæps; ðɪ ˌɛsdʒˌiːtˈiː lˈoʊɡoʊ əvə θˈɪsəl wɪðˌɪn ɐ hˈɛksæɡən ɪz ˈɔːlsoʊ jˈuːzd tə hˈaɪlaɪt ðə ɹˈaʊts æt ðə wˈʌn:twˈɛnti fˈaɪv θˈaʊzənd skˈeɪl.
The route of each of the Great Trails is marked with coloured diamonds on Ordnance Survey Explorer (1:25000) and Landranger (1:50000) maps; the SGT logo of a thistle within a hexagon is also used to highlight the routes at the 1:25000 scale.