This event was commemorated by the construction in 1730 of the obelisk , in height , standing on the highest point in the Park , it is located over half a mile to the south and on axis with the centre of the House .
This event was commemorated by the construction in 1730 of the obelisk , in height , standing on the highest point in the Park . 
 It is located over half a mile to the south and on axis with the centre of the House .