Each leg of the Shaka guided tour provided tons of information about the history, culture, and geography of this beautiful island. Some the side trips and hikes are "can't miss" parts of the tour. Although the app generally states 3-6 hours for each tour, plan a full day to totally immerse yourself into Kauai. Our condo was near Lihue providing a perfect starting point for each of the tours. This is one of the most user friendly apps I've recently used. Simply put,,,invest in this app and enjoy the island of Kauai like you never imagined.