cooling produces smaller columns). Other notable sites include Svartifoss in Vatnajökull National Park in Iceland, Giant's Causeway in Northern Ireland, Fingal's Cave in Scotland, Titan's Piazza of the Mount Holyoke Range in Massachusetts, the Garni Gorge in Armenia, the Cyclopean Isles near Sicily, Sheepeater Cliff at Yellowstone National Park in Wyoming, Basaltic Prisms of Santa María Regla in Huasca de Ocampo, Mexico, the Organ Pipes formation on Mount Cargill in New Zealand, Gilbert Hill in Mumbai, Organ Pipes National Park in Australia and the Column Cape (Russian: Mis Stolbchaty) on Kunashir Island, the southernmost of the Kuril Islands, Cerro Colorado and Mar Brava (Ancud) in Chile. Columnar basalt can also be seen in a high desert dry river falls area just north of Lajitas, Texas. The much more massive Devils Tower National Monument in Wyoming is superficially similar but consists of a phonolite porphyry, formed by the intrusion of igneous rock. See also Ansel Adams Wilderness Devils Postpile National Monument Ranger Cabin Gilbert Hill List of national monuments of the United States Little Devils Postpile Protected areas of the Sierra Nevada References Bibliography Roadside Geology of Northern and Central California, Alt, Hyndman (Mountain Press Publishing Company, Missoula; 2000) External links NPS Devils Postpile National Monument website Geology field notes National Park Service National Monuments in California Parks in Madera County, California Protected areas of the Sierra Nevada (United States) Columnar basalts Rock formations of California Volcanic plugs of California Landforms of Madera County, California Protected areas established in 1911 1911 establishments in California