Stonehenge Altar Stone was transported 430 miles from Scotland, say scientists

It is also not known whether the now horizontal stone once stood upright.

The Altar Stone, which has two other stones on top of it, is now believed to have been transported all the way from Scotland (Nick Pearce/Aberystwyth University)

The largest Altar Stone at the heart of Stonehenge is actually Scottish not Welsh, research suggests.

The “remarkable” discovery has left experts “stunned” and busts a century-long held belief about the origins of the bluestone at the centre of the prehistoric monument.