Family and friends of a Toronto woman who went missing one week ago in a northern Ontario provincial park are leaving Monday to join the growing search.

Christina Calayca, 20, was last seen seven days ago when she went for an early-morning jog while on a camping trip at Rainbow Falls Provincial Park near Schreiber.

A missing poster for Christina Calayca who was last seen one week ago.
(Canadian Press)

Seven people will travel in a minivan from Markham, a town north of Toronto, to join the young woman's mother and several uncles already helping with the civilian search.

Dozens of civilian volunteers spent the weekend combing the bush in the rugged park for the missing Toronto day-care worker.

On Sunday, an Ontario Provincial Police underwater search unit was brought in Sunday and Monday and continued to scour bodies of water in the park, located on the north shore of Lake Superior about 200 kilometres east of Thunder Bay.

Karen Caguicla, the woman's aunt and godmother, says the rugged terrain in the North may be unlike anything Calayca has experienced, but she has faith Calayca will be found alive.

'If anyone can survive this, she certainly can.'—Aunt Karen Caguicla

"She's always been very strong from as a child and growing up. She's just a very strong person, so I know that if anyone can survive this, she certainly can. She just has to hang on and wait for us to find her," said Caguicla.

The OPP reported finding a footprint on Saturday that could belong to the missing woman.

OPP Sgt. Deb Tully said about 70 people, including police officers and trained search-and-rescue personnel, are involved in the search effort every day.