Be an early bird and be some of the first hikers on the trail. Discover the hidden treasures of O`ahu's lush tropical rainforest. Monday, Wednesday and Friday, we hike 2-miles return to the tallest waterfall on Oahu at 150ft. Includes: Professional nature guides, access to forest reserve, rain poncho, hip pack, mosquito repellent, boxed waters, granola bars and return transport from Kahala, Waikiki, and Aloha Tower.