Island Pond (Rockingham County, New Hampshire) Island Pond (Rockingham County, New Hampshire) Island Pond (sometimes referred to locally as Big Island Pond) is a water body located in Rockingham County in southern New Hampshire, in the towns of Derry, Hampstead and Atkinson. The pond is near the head of the Spicket River watershed, which feeds the Merrimack River in Lawrence, Massachusetts. The pond was formed from the merger of two smaller bodies of water in 1878, when a dam raised the water level by 8.5 feet. The pond is named for Governor's Island, a island that lies within it. The island in turn is named for
Geography of Rottnest Island Geography of Rottnest Island Rottnest Island lies 18 kilometres west of the coastline of Perth, Western Australia, and is 4.5 km (2.8m) at its widest, and 11 km long. The coastline is approximately 24 kilometres long, and the bays, points, reefs and smaller islands are extensively named. The named hills of Rottnest are Oliver Hill, Radar Hill and Mount Herschel, and the main lighthouse of the island is known as Wadjemup Lighthouse. The island is very limited in water supply and considerable numbers of bores have been sunk to keep water supply available. In 1976, Philip Playford's Geological Map of