Explore the UK's hidden volcanoes - The UK is filled with natural wonders. From Cheddar Gorge to Gaping Gill, there is no shortage of dramatic landscapes across the nation. But did you know the UK was once a country of volcanoes? Take a look at the volcanic areas across the UK.

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Ben Nevis - Ben Nevis is the UK’s highest mountain.

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Ben Nevis - The summit of Ben Nevis is what remains after a volcanic eruption 350 million years ago.

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Ben Nevis - Ben Nevis is located in Lochaber, in the Scottish Highlands.

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Glen Coe - Glen Coe was once an ancient supervolcano. It is now a ski destination in the winter as well as being popular with hikers in the summer.

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Glen Coe - The land around Glen Coe was formed from volcanic eruptions and glaciation.

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Glen Coe - Glen Coe is also in the Scottish Highlands, north of Argyll county.

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Cuillin Ridge - The Cuillin Hills are on the Scottish island of Skye.

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Cuillin Ridge - It’s not recommended you scale the Cuillin Ridge Traverse unless you are an experienced mountaineer.

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Cuillin Ridge - The mountain range was formed from underground volcanic eruptions and activity from magma chambers.

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Giant’s Causeway - The Giant’s Causeway was formed from a volcanic blast around 60 million years ago.

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Giant’s Causeway - You can visit the iconic landmark in County Antrim in Northern Ireland.

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Giant’s Causeway - Legend has it that the causeway was created by Finn McCool, a mighty giant trying to please his love.

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Ardnamurchan - Ardnamurchan is another volcanic spot in the Scottish Highlands. The remote area is noted for being unspoiled and undisturbed.

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Ardnamurchan - 60 million years ago, Ardnamurchan was one of five volcanic areas in Scotland. The area is known for its natural rings, which are a huge draw for geologists.

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Ardnamurchan - There are even volcanic craters that are visible to this day. No recorded volcanic activity has taken place here in over one million years.

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Ardnamurchan - The land mass at Ardnamurchan was formed millions of years ago, in the Ice Age.

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Arthur’s Seat - Arthur’s Seat is an ancient volcano in Holyrood Park in Edinburgh.

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Arthur’s Seat - Arthur’s Seat last erupted around 340 million years ago.

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Arthur’s Seat - The rocks around Holyrood Park are a clue to what Arthur’s Seat was like in ancient times.

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Arthur’s Seat - The sandstone and layers of volcanic ash came from lava flows and explosive eruptions.

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Cheviot Hills - The Cheviot Hills run along the border between England and Scotland.

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Cheviot Hills - The hills were formed from lava flow.

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Cheviot Hills - In the upland of the Cheviot Hills, there are volcanic rocks formed in the Devonian age (around 380 million years ago).

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Cheviot Hills - The area also contains many glacial features from the Ice Age. The north face of the hills has been carved by glacial scouring.

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Dundee Law - The Dundee Law is recognised as a plug of an extinct volcano. It is located in Dundee, Scotland.

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Dundee Law - The Law has an underground flow of lava that channelled through weaker rocks around 400 million years ago.

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Dundee Law - The Law’s volcanic rock was once buried under layers of other rocks but these layers were worn away by wind, rain, and glaciers.

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North Berwick Law - This hill looks over North Berwick, a town in northern Scotland.

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North Berwick Law - The Law is another volcanic plug, with rocks and features that date back 60 million years.

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North Berwick Law - The hill features ruins from an Iron Age fort. There are also ruins from the Napoleonic Wars and World War II military posts.

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