Road bicycle route that leaves from Islantilla and reaches Embalse del Río Piedras, with a maximum capacity of 60 hm³, it was built in 1968 along the bed of the Piedras River, occupying 800 hectares and supplies the Western Coast of the Huelva province. During the route you will visit the towns of Lepe and Cartaya, as well as an extensive pine forest and irrigated fields, supplied by the reservoir.