Calders Geo is an inlet in the western cliffs of Esha Ness in Northmavine on the Mainland, Shetland, Scotland. A cave on the north side of the geo has been measured at more than one and a half times the size of "The Frozen Deep", a chamber in Reservoir Hole under Cheddar Gorge in Somerset, potentially making it the largest natural chamber in Britain. [1]
Geologist Jonathan Swale used a laser range-finder to measure the interior of the cave, which is only accessible during calm seas. He claims that the structure is over 20 metres (66 ft) tall and has a floor area of around 5,600 square metres (60,000 sq ft). [2]
Esha Ness Lighthouse just south of the geo was designed by David Alan Stevenson and commissioned in 1929. [3]
Fair Isle is an island in Shetland, in northern Scotland. It lies about halfway between mainland Shetland and Orkney. It is known for its bird observatory and a traditional style of knitting.
Wookey Hole Caves are a series of limestone caverns, a show cave and tourist attraction in the village of Wookey Hole on the southern edge of the Mendip Hills near Wells in Somerset, England. The River Axe flows through the cave. It is a Site of Special Scientific Interest (SSSI) for both biological and geological reasons. Wookey Hole cave is a "solutional cave", one that is formed by a process of weathering in which the natural acid in groundwater dissolves the rocks. Some water originates as rain that flows into streams on impervious rocks on the plateau before sinking at the limestone boundary into cave systems such as Swildon's Hole, Eastwater Cavern and St Cuthbert's Swallet; the rest is rain that percolates directly through the limestone. The temperature in the caves is a constant 11 °C (52 °F).
Bressay is a populated island in the Shetland archipelago of Scotland.
The Marble Arch Caves are a series of natural limestone caves located near the village of Florencecourt in County Fermanagh, Northern Ireland. The caves are named after the nearby Marble Arch, a natural limestone arch at the upstream end of Cladagh Glen under which the Cladagh River flows. The caves are formed from three rivers draining off the northern slopes of Cuilcagh mountain, which combine underground to form the Cladagh. On the surface, the river emerges from the largest karst resurgence in Ireland, and one of the largest in the United Kingdom. At 11.5 kilometres (7.1 mi) the Marble Arch Caves form the longest known cave system in Northern Ireland, and the karst is considered to be among the finest in the British Isles.
Northmavine or Northmaven is a peninsula on the northernmost part of the Shetland mainland in Scotland. The peninsula has historically formed the civil parish Northmavine. The modern Northmavine community council area has the same extent. The area of the parish is given as 204.1 km².
The North Mainland of the Shetland Islands, Scotland is the part of the Mainland lying north of Voe.
Eshaness Lighthouse is situated on the Northmavine peninsula in the north-west of the Shetland Islands, Scotland. It sometimes rendered as Esha Ness Lighthouse.
Esha Ness, also spelled Eshaness, is a peninsula in Northmavine on the island of Mainland, Shetland, Scotland. It is located to the northwest of St Magnus Bay.
The Shetland Amenity Trust is a charitable trust based in Shetland, Scotland. It was formed in 1983.
The Isle of Stenness is one of the Shetland Islands, Scotland. It is off north west Mainland in the Northmavine.
Yell Sound is the strait running between Yell and Mainland, Shetland, Scotland. It is the boundary between the Mainland and the North Isles and it contains many small islands. Sullom Voe, on the shores of which is a substantial oil terminal, is an arm of Yell Sound.
The geography of the North Sea studies coastal and submarine features as well as the people who live on its coasts. It is bounded by the east coasts of England and Scotland to the west and the northern and central European mainland to the east and south, including Norway, Denmark, Germany, the Netherlands, Belgium, and France. In the south-west, beyond the Straits of Dover, the North Sea becomes the English Channel. In the east, it connects to the Baltic Sea via the Skagerrak and Kattegat, narrow straits that separate Denmark from Norway and Sweden respectively. In the north, it opens in a widening funnel shape to the Norwegian Sea, which lies in the very north-eastern part of the Atlantic.
Loch Ness is a large, deep, freshwater loch in the Scottish Highlands extending for approximately 37 kilometres southwest of Inverness. Its surface is 16 metres above sea level. Loch Ness is best known for alleged sightings of the cryptozoological Loch Ness Monster, also known affectionately as "Nessie". It is connected at the southern end by the River Oich and a section of the Caledonian Canal to Loch Oich. At the northern end there is the Bona Narrows which opens out into Loch Dochfour, which feeds the River Ness and a further section of canal to Inverness, ultimately leading to the North Sea via the Moray Firth. It is one of a series of interconnected, murky bodies of water in Scotland; its water visibility is exceptionally low due to a high peat content in the surrounding soil.
Geopark Shetland is the name used by the Geopark formally established in September 2009 on its entry into the European Geoparks Network. The Geopark extends across the entire Shetland archipelago off the north coast of mainland Scotland. It is administered by the Shetland Amenity Trust in partnership with organisations such as Scottish Natural Heritage, the Shetland Islands Council, Highlands and Islands Enterprise and various community and tourism associations.
Pollatoomary is the deepest explored underwater cave in Ireland. It has been explored to an underwater depth of 113 metres (371 ft).
Reservoir Hole is a cave in Cheddar Gorge in Somerset, southwest England. It contains what is believed to be the largest chamber yet found under the Mendip Hills.
Linga Sound is the strait between the islands of Whalsay and West Linga in the Shetland islands of Scotland.
St Magnus Bay is a large coastal feature in the north-west of Mainland Shetland, Scotland. Roughly circular in shape with a diameter of about 19 kilometres (12 mi), it is open to the North Atlantic Ocean to the west. The indented coastline to the north, south and east between Esha Ness in the north and the Ness of Melby in the south contains numerous bays, firths and voes and there are several islands around the perimeter. The waters of the bay are up to 165 metres (541 ft) deep and may have been the site of a substantial meteor impact.
The Drongs are a group of sea stacks off the coast of Hillswick Ness, Northmavine, Shetland, Scotland. They lie to the west of the Isle of Westerhouse in St Magnus Bay. They have been described as "a focus of interest from all surrounding parts, including Eshaness", from which they are the most readily viewed, and as such are considered an icon of Eshaness, along with the famous Dore Holm.
Coordinates: 60°29′27″N1°37′18″W / 60.4907°N 1.6218°W
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