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Sea Stacks and Rocks

Test your geography and geology knowledge

  1. What is the name of the 137-metre sea stack on the island of Hoy off the north coast of Scotland?
  2. The United Kingdom claimed which 17.15-metre high granite rock in the North Atlantic in 1955?
  3. The massive Australian sandstone monolith once known as Ayers Rock is now also known by what other name?
  4. What is the name of the three stacks of chalk that rise off the western extremity of the Isle of Wight?

  5. The prominent Goscar Rock is situated on the north beach of which West Wales seaside resort?
  6. Castle Rock is a volcanic plug in the middle of which British city?
  7. Which area of about 40,000 interlocking basalt columns is located in County Antrim, Northern Ireland?
  8. Cheddar Gorge is a limestone gorge in which range of Somerset hills?
  9. Pulpit Rock is a coastal feature in which raised mass of land that projects into water in Dorset?
  10. The world famous limestone stacks on Australia's Great Ocean Road are known as the '12' what?
  11. The Cheesewring is a granite tor in which English county?
  12. Old Harry Rocks are three formations on the Isle of Purbeck in Dorset, made of which rock?
  13. Which American valley's red sandstone pillars have been seen as a backdrop to many John Ford Westerns?
  14. The Mediterranean Steps can be climbed to the top of which rock?


  1. The Old Man of Hoy
  2. Rockall
  3. Uluru
  4. The Needles
  5. Tenby
  6. Edinburgh
  7. The Giant's Causeway
  8. Mendip Hills
  9. Portland Bill
  10. 12 Apostles
  11. Cornwall
  12. Chalk
  13. Monument Valley
  14. Rock of Gibraltar