The search for missing bushwalker, 18-year-old Lily Hooper, has reached its fourth day with fresh teams joining the search.

Lily Hooper, described by police as an experienced hiker, set out on a rough bush trail on Wednesday. The 18-year-old hasn’t been seen since.

Lily Hooper, described by police as an experienced hiker, set out on a rough bush trail on Wednesday. The 18-year-old hasn’t been seen since.