The ‘Dragon’s Back’ was once a coral reef in a shallow tropical sea some 340 million years ago.

Chrome Hill, along with its neighbour Parkhouse Hill, is one of the most visibly striking landmarks in the Peak District National Park.

Located south of Buxton and close to the village of Earl Sterndale, the two hills are known locally as the ‘Dragon’s Back’ and are the remains of an ancient coral reef.

340 million years ago when these atolls were formed the environment was similar to modern conditions in the South Pacific. Coral reefs fringed a shallow warm tropical sea that was about 5-10 degrees south of the equator.

READ MORE: Derbyshire weekend walks - Chrome Hill, Crich and Linacre

Aeons later this area has now become the Peak District. Pockets of well-preserved fossils – especially molluscs and brachiopods – can be found in the limestone, the remains of plants and animals that once lived in this tropical sea.

Until as recently as 2004 the hill was not open to the public. However, the ‘Right to Roam’ legislation has now enabled access to this spectacular summit.

Traversing its ridge requires a combination of walking and scrambling and is best attempted by seasoned walkers. Certainly be very careful if you do not have a head for heights!

Click here for photos, videos and reports on walking near Chrome Hill

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Great British Life: Chrome Hill rainbowChrome Hill rainbow (Image: Lee Howdle)

Great British Life: Chrome HillChrome Hill (Image: Charlotte Louise Hodgson)

Great British Life: Chrome HillChrome Hill (Image: Julian Ford)

Great British Life: Chrome HillChrome Hill (Image: Lisa Frith)

Great British Life: Chrome HillChrome Hill (Image: Mike Hindle)

Great British Life: The ridges of Chrome HillThe ridges of Chrome Hill (Image: Samantha Smith)

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Great British Life: Chrome HIllChrome HIll (Image: Wesley Christopher)

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Great British Life: Sunrise at the top of Chrome HillSunrise at the top of Chrome Hill (Image: Steve Allan)