A species of endangered wallaby appears to making a comeback after being reintroduced within a network of remote gorges in Western Australia.

Black-flanked rock wallabies were once a popular spectacle for tourists hiking the dramatic gorges at Kalbarri National Park, in WA's Mid West.

Now, it takes experts to track down the few shy creatures that remain.

It was thought feral pests and predators, including foxes and cats, drove the wallabies to extinction at the park decades ago.

That was until rock climbers spotted a pair, with their young, perched at a rocky outcrop in 2015, sparking a marathon mission by conservationists to support the animals.

With funding assistance from the World Wildlife Foundation, 23 black-flanked rock wallabies were flown in from bulging populations in the Wheatbelt.

Cameras capture joey in mother's pouch

Motion sensing cameras have captured rare shots of the shy creatures. ( SUPPLIED: Department of Parks and Wildlife )

Department of Parks and Wildlife's (DPaW) nature conservation leader Anthony Desmond said the animals appeared to have taken well to their new home, with only one confirmed death after a wandering wallaby fell from a cliff.

"So to have 22 animals that we suspect are still alive - and we definitely know 10 of them are still alive - that's a good outcome after this time period," he said.

Motion sensing cameras placed through a gorge have captured rare shots of the shy creatures, including a candid moment of an introduced female cosying up to the original male wallaby found in the park last year.

Corin Desmond hopes the public will soon be enjoying the sight of the wallabies. ( ABC News: Chris Lewis )

"To be able to go through a camera and see a rock wallaby and see a joey coming out of a pouch ... that's a real reward," Mr Desmond said.

Kalbarri National Park was once home to one of the largest populations of the black flanked rock wallabies in the state.

Mr Desmond said the park could again become WA's most significant site for the elusive creatures.

"I'd be hoping in the next five years it wouldn't be unusual for people to see a rock wallaby … I'd expect people would be able to see them just as they're going out having a look at the park," he said.

Mr Desmond's son, Corin, has spent over 300 hours tracking and monitoring the wallabies.

He is keen for others to enjoy the unique spectacle.

"I really hope that they get back to the original numbers and that people can just come down and see a rock wallaby hanging around at the bottom of a lookout," he said.