Above: The Great Trilithon, centre-right in the image above, was the largest of the 5 trilithons. Just one upright remains. The other upright lies broken on the ground, alongside the fallen lintel.

10 m - the original length of the fallen upright from the Great Trilithon (Stone 55).

9 m - the approximate length of the tallest stone still standing, the remaining upright of the Great Trilithon (Stone 56).

7 m - the height this upright reaches above ground.

2.4 m - the depth this same stone reaches below ground.

35 tonnes - the weight of the largest sarsen stones.

5-6 metres - the average length of the sarsen trilithon lintels.

5 metres - the average height of the uprights of the sarsen circle.

20 tonnes - the average weight of these uprights.

3 metres - the average length of the sarsen circle lintels.

3 tonnes - the weight of the largest bluestones.

40 tonnes - the weight of the heel stone.

Find out how many stones were used and find out more about who built Stonehenge.

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