a woman is in a critical condition after falling 30 metres from the highest lookout in blue mountains when she dropped her phone at the lookout , which is almost 1,100 metres above sea level .
the 44-year-old , named by locals as donna christie , slipped and fell from hassans fall lookout at lithgow on tuesday afternoon .
she was bushwalking with a male friend and her two children , aged 12 and 13 , when she dropped her phone and in trying to retrieve it , she 's lost her footing and fallen .