After cruising the Hawaiian seas, go inland and discover the hidden hiking treasures of Oahu's lush volcanic rainforest. This moderate 2-mile (3.2-km), round-trip, guided hike is an opportunity to explore tropical Hawaii and experience the majestic beauty of a towering, 200-foot (60-meter) waterfall, cross through tranquil streams and picturesque pools, and view lush tropical vegetation of this Hawaiian paradise.