The link you followed will bring you to this page:
https://www.valtellina.it/it/attivita/trekking#cat=Escursionismo-main,Escursione,Escursione%20di%20pi%C3%B9%20giorni,Cammino,Sentiero%20tematico&filter=r-fullyTranslatedLangus-,r-openState-,sb-sortedBy-0&zc=9,9.96185,46.33365