At the posted coordinates you will find sign. The final stage for this cache can be found by doing a projection from the posted coordinates.
The sign has instructions for JUMP SQUATS. Assign the following:
A = number of REPS for REGULAR
B = number of REPS for CHALLENGE
Use the following to do a projection from the posted coordinates:
Distance : 8 + (5 x (A + B)) meters
Angle : 2 + (10 x A) + (6 x B) degrees
The last digit in the north coordinates is 1 and the last digit in the west coordinates is 3.