The Ross Island houses the infamous cellular Jail, where India's freedom fighters were packed off to the Kala Paani incarceration in solitary confinement during the British Colonial rule. The Mahatama Gandhi Marine National Park at the Wandoor, Jolly Buoy and Redskine Islands offers unspoiled beaches as well as scuba diving, snorkeling and coral viewing for the enthusiasts. At Cinque Island, one can explore a bit to see brilliant-hued coral formations. The Chidiyu Tapu offers a great view of the setting Sun and bird-watching during the day. It is a picnic spot with a sand beach. Mount Harriet is the highest peak in the South Andaman where one can trek through a nature trail. At Madhuban, the tourist can trek as well as enjoy elephant lumbering. At Neil Island, one can see a natural bridge formation. Between December and February, turtle nesting takes place at Rangat, which also has a trekking route to Panchavati Hill. At Diglipur, one can see the mud volcanoes while the Little Andaman Island is known for the Butler Bay beach and the waterfall at Hut Bay.