Devils Thumb, also known as Manjal Jimalji by the Eastern Kuku Yalanji, is a mountain located near Mossman within the Daintree National Park, Far North Queensland, Australia.

Devils Thumb rises 1,065 metres (3,494 ft)[1] above sea level.

The Manjal Jamalji trail is a difficult 10.6-kilometre return trail to the peak which takes approximately eight hours.

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