Hiking is one of the best ways to experience ... mountain biking is not allowed. Climb the west side of upper Pauoa Valley through a series of switchbacks and descend into Nu'uanu Valley.

Read more: 15 Scenic Beginner Hiking Trails In America's National Parks Situated on the west side of Oahu, the Pillbox Trail promises a taste of wild, untamed wilderness away from the crowds ...

It’s also a popular hiking trail in Oahu for families with kids and dogs ... This lookout provides fantastic views of the ...