If you are super-fit person and not satisfied with ordinary adventure, think about visiting PNG.There are lots of unknown, hard, yet fabulous treks in the country.
Kokoda Trek is one of them. It starts either from Kokoda on the North, or Port Moresby from the South, across the Owen Stanley Range and takes 7-8 nights to complete the walk.
The highest point is only 2190m, but much, much harder than Mt Wilhelm (4,509m).With steep up and down, hot & humid climate and fast flowing river, the 96Km walk is one of the toughest treks on earth.
But the Joy of completion is awesome and will not be forgotton.
Best season starts April and run through to November.