Great family hike to the best waterfalls we saw on Oahu. About 2-miles from the parking area. Very lush and beautiful plant life on a trail they have used for the filming of Lost, Hawaii 50, and the Jurassic Park series. Note - you cannot swim in the waterfall pool. Also if you get there before 8 am the parking attendant will not be there but he/she will likely leave a pay on exit reminder on your windshield,