Symmetry, harmony, balance: important principles found alike in art and nature.
THE CACHE IS NOT AT THE LISTED COORDINATES but you could park there.
Solve the puzzle to enjoy a walk in the Essex countryside.
The cache is at:
Click for full-size image
You can check your answers for this puzzle on GeoChecker.com.
Despite averaging a number of measurements, it seems that my measured coordinates are slightly off. After solving and checking, subtract 0.004' from the latitude and add it to the longitude for a more accurate plot.