Stage 1 - Location at photo 1, you will see some names on the stone plates, there is a date associated with each name. How many of those dates are in the year 1945? the answer is X.
Stage 2 - You will see the metal fence structure like Photo 2, if you count the curved vertical posts from the left to the right, there is curved vertical post pointing to the waterfall or the destination station of the cable car on the mountain across the river. By counting from the most left vertical post as seen in the photo, which one is this? the answer is Y. If you are not sure, there is GC Y written underneath for your confirmation.
Final cache is located at
N 24 50.9((3 x X) + 5)
E 121 32.9((4 x Y) + 5)
Final Stage - When you are here, you will find that your GPS doesn''t help much to pinpoint the cache location. Now take a look at the spoiler photo to make a quick grab. Make sure you get a visual confimation of the cache location before retrieving the cache to prevent dropping the cache. The cache container has a press and turn cap, be gentle.

Photo 1 : Stage 1

Photo 2 : Stage 2