Three trampers feared missing in the heart of Queenstown's devastating bush fire have been found safe this morning.

A search was mounted this morning for the missing trio after they were reported overdue.

Police said a married couple and another person had gone into the Mt Crichton area and were expected to camp at Lake Isobel.

A massive bush fire has torn through 50ha on Jessie Peak in the area overnight.

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This morning concerns were held for the party's safety after they did not walk out of the bush as planned.

An aerial surveillance failed to show any sign of the party and they could not be contacted by cellphone.

Police were preparing to send in searchers but just after 10am the missing party was seen walking out of the area.

A police spokeswoman said no one had not been harmed in the blaze.