i went when i stayed in pdi in dec 2011 caught no 1 bus which takes about hour and 20 roughly you have to go into las palmas then back out again , wen returnng you have to catch a bus from el mirador to las palmas then get another to pdi , i couldnt understand why the bus that dropped us off didnt carry onto pdi , it cost me and my daughter 23euros altogether in bus fare i only went to have a nosy in primark lol