Hoy is an island in Orkney, Scotland, measuring 143 square kilometres (55 sq mi) — ranked largest in the archipelago after Mainland. A natural causeway, the Ayre, links to much smaller South Walls; the two islands are treated as one entity by the UK census.
Martello towers, sometimes known simply as Martellos, are small defensive forts that were built across the British Empire during the 19th century, from the time of the French Revolutionary Wars onwards. Most were coastal forts.
Flotta is a small island in Orkney, Scotland, lying in Scapa Flow. The island is known for its large oil terminal and is linked by Orkney Ferries to Houton on the Orkney Mainland, Lyness on Hoy and Longhope on South Walls. The island has a population of 80.
Graemsay is an island in the western approaches to Scapa Flow, in the Orkney Islands of Scotland. The island has two lighthouses. Graemsay lies within the parish of Stromness.
The Old Man of Hoy is a 449-foot (137-metre) sea stack on Hoy, part of the Orkney archipelago off the north coast of Scotland. Formed from Old Red Sandstone, it is one of the tallest stacks in the United Kingdom. The Old Man is popular with climbers, and was first climbed in 1966. Created by the erosion of a cliff through hydraulic action some time after 1750, the stack is not more than a few hundred years old, but may soon collapse into the sea.
Gutter Sound is a location in Orkney, Scotland, part of the vast anchorage of Scapa Flow. It lies to the west of the main harbour between the internal islands of Cava and Fara, and the large outer island of Hoy. Gutter Sound was the one of the sites of the mass-scuttling of the interned Imperial German High Seas Fleet in 1919, and the scene of a major salvage operation in the 1920s. Today the remaining wrecks make the Sound a popular diving location.
Ward Hill is a hill on the island of Hoy in Orkney, Scotland. It lies at the north of the island between Moaness and Rackwick, and is the highest hill in Orkney at an elevation of 481 m (1,578 ft).
Muirhouse is a residential estate in the north of Edinburgh, the capital of Scotland.
Longhope is a coastal settlement on the island of South Walls, in Orkney, Scotland. South Walls is linked to Hoy by causeway; Longhope is the largest settlement on the two islands. The settlement is situated on the B9047, the main road on Hoy and South Walls.
South Walls, often referred to as Walls is an inhabited island adjacent to Hoy in Orkney, Scotland. The name is a corruption of "Sooth Was", which means the "southern voes" - as with Kirkwall, it was assumed that it was a mispronunciation of "walls".
Cava is an uninhabited island in the Orkney archipelago in Scotland. It is 107 hectares (0.41 sq mi) in extent and rises to 38 metres (125 ft) above sea level. The literal meaning of the name is calf island, a terminology often used to designate a small island near to a larger one. Cava is unusual in that it includes a small peninsula joined to the main body of the island by a narrow isthmus, which is in turn called Calf of Cava.
Holm is a parish on Mainland, Orkney.
Finavarra Tower is a Martello tower in Finavarra, County Clare, Ireland. Built during the Napoleonic wars in 1812-16, and situated on Finavarra Point, the tower protected the north-eastern side of Ballyvaughan Bay and the south-western entrance of New Quay harbour from possible attack from France.
Hackness Martello Tower and Battery is located on South Walls, in Orkney, Scotland.
Martello Tower is a rock 10 metres (33 ft) high, lying in King George Bay 2 nautical miles (4 km) north-north-west of Lions Rump, in the South Shetland Islands of Antarctica. It was charted in 1937 by Discovery Investigations personnel on the Discovery II, who named it after the fortified towers of that name.
Martello Court is a residential building and one of the tallest buildings in Edinburgh, Scotland. It is 64 metres (210 ft) high, with 23 floors. It is on Pennywell Gardens in Muirhouse, in the north-west of the city. It was known as the Terror Tower in the 1970s because of the crime around it.
Hoy Sound is a body of salt water subject to tidal currents situated south of the town of Stromness in the Orkney archipelago of Scotland.
The Tally Toor in Leith, Edinburgh, Scotland, is one of the country's three martello towers, the other two being at Hackness and Crockness in Orkney. Originally built offshore on a rocky outcrop called the Mussel Cape Rocks, the land around it was subsequently reclaimed, and the building now lies, half-buried, in an industrial area on the eastern breakwater of Leith Docks.
The Prince of Wales Tower is the oldest martello tower in North America and is located in Point Pleasant Park, Halifax Regional Municipality, Nova Scotia, Canada. It was built in 1796 by Captain James Straton and was used as a redoubt and a powder magazine. Restored, it was designated a National Historic Site of Canada in 1943.
The Cantick Head Lighthouse is an active 19th century lighthouse on the Scottish island of South Walls in the Orkney Islands. It is located at the end of Cantick Head, a long peninsula on the south-eastern coast of South Walls that overlooks the Pentland Firth and the Sound of Hoxa, which forms the southern entry to the natural harbour of Scapa Flow.
