Larmer Tree is easy to find if you follow the brown flower signs image
Take the A354 Blandford road for approximately 17 miles. At the staggered hilltop junction, turn right then after 900 meters turn left, after 2 miles the entrance to Larmer Tree is on the right.
Take the A354 Salisbury road for 9 miles then turn left and follow the directions above.
Take the A30 towards Salisbury. In 5 miles, after Ludwell, turn right. After 2 miles, at the top of the hill turn left onto the B3O81 and take the 2nd on the right. The Larmer Tree entrance is 2 miles on the left.
Map co ordinates
N50° 57′ 4″ W2° 4′ 59″ or ST 942 169