Grande Comore, dominated by Mount Karthala, which can be climbed in one or two days, is the largest and most developed island and location of the international airport. Anjouan is reached by boat from Grande Comore, the two features here are Mount Ntingui and Lake Dzialandzé, both Ramsar List sites. Saziley Point is visited from the village of Dapani on Mayotte, there is a birding trail through the forest. Moheli is the smallest and quietest island and the marine park, home to sea turtles, dolphins and whales, is located on five offshore islets.