The long-time Wheatbelt resident who found missing German backpacker Carolina Wilga has revealed details about the moment the young woman flagged her down.

The last time anyone saw Carolina Wilga, she was standing in the doorway of a general store in the tiny town of Beacon, in Western Australia's Wheatbelt region It was June 29, and the 26-year-old German backpacker was more than 300 kilometres from Perth,

As the search continues for the 26-year-old, we take a look back at everything we know so far about her "unusual" disappearance.

German backpacker Carolina Wilga survived an astonishing 11 nights alone in the WA wilderness by drinking rainwater from puddles and sleeping in a cave, police have revealed.

Carolina Wilga, 26, from Germany, has been missing for 11 days in a remote part of Australia around 200 miles from Perth and police have given an update about her van