The woman was an experienced mountaineer who had survived previous search and rescue operations.
Parengaope (Ope) O'Donnell hasn't been seen in more than two weeks.
The 68-year-old has not been seen since February 15.
Police thanked the public for their help.
Alan Collison was last seen leaving his home on Monday morning.
Melissa Caddick disappeared on November 12.
She hadn't been seen at home since Thursday afternoon.
He was last seen on February 3.
It's believed to be that of missing 20-year-old Rehum Prior, who disappeared early November.
