The cache is not at the published coordinates. To find the cache you will need to visit a few waypoints to obtain the required information.
The hike is approx. 2km return.
At the published co-ordinates:
A = Second digit of the year the heavily laden bullock wagons reached here
B = Number of letters in the author's first name on the cairn -1
C = Last digit of the year the third time capsule will be sealed
D = Second digit of the year the monument was unveiled
E = Number of letters in the first 2 words in the curved heading on the cairn
F = Second digit of the year the time capsules are due to be opened
G = Number of letters in the name of the town whose mayor placed the second time capsule
H = Last digit of the members of the public who were part of the foundation committee members
(checksum A+B+C+D+E+F+G+H = 38)
WP2 = S27 3A.BCD E151 5E.FGH
J = First digit in the date Lieutenant Gorman rode and walked his way into history.
K = How many kilometres in the track he marked
L = Number of letters in the name starting with 'A' in the 5th paragraph
M = First digit of the year this track became the first road in Australia to be declared part of Australia’s National Estate
N = Number of letters in the name starting with 'E' in the 5th paragraph
P = Number of letters in the nationality of the jaunting cart
(checksum J+K+L+M+N+P = 26)
WP3 = S27 3A.JKL E151 5E.MNP
Q = Number of E’s in the sign + K
R = Number of R’s in the sign x 2
S = Number of B’s in the sign
T = Number of A’s + number of D’s in the sign
(checksum Q+R+S+T = 15)
You will find that cache at S27 3K.Q(P+C+J)R E151 5D.T(N+C)S
***EDIT 28/04/2023: The side track to the final has had a lot of extra growth since the cache was placed. To help you with where to turn off, calculate this waypoint:***
S27 3(Q-1).S(T-1)S E151 5Q.T(R+T)R