Woman freed after becoming stuck upside-down between boulders in NSW Hunter Valley [Video]

New pictures have emerged of the mammoth rescue effort required to free a young bushwalker who spent seven hours wedged upside-down between boulders in the NSW Hunter Valley.

Matilda Campbell, 23, was bushwalking with friends when she leant down to retrieve her mobile phone that had fallen into a 3m-deep crevice on a Laguna property, west of Cessnock, on October 12.

WATCH THE VIDEO ABOVE: Woman wedged between boulders for seven hours freed

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Instead, she fell head-first in after it.

Her friends tried in vain to free her before hiking out to find phone reception to call triple-0 for help.

By this stage, she had been stuck for more than an hour.

A “multi-disciplinary team” of local rescue crews, NSW Police and NSW Ambulance paramedics were called in and worked to keep her calm as they removed several boulders using a specialist winch, before facing the tricky task of “navigating” her …