Due to problems at the final location, this cache has been moved. Previous finders may log this again. If you've still got the answers from before it will be a nice quick find. The cache is now a small clip top box around 200 ml.
The posted co-ordinates are you're starting point, although there's nothing to find there.
Walk around the moisture to the building on the other side. It was opened on a/bc/defg
AAA = ( efg / (a + b) ) - c
BBB = ( 3 x def ) - 28
S 37° 53.AAA E 144° 59.BBB
You should be beside a plaque. The park was re-opened on hi/j/klmn.
q = a + c
r = h + i + j
s = m - i
S 37° 54.qgr E 145° 00.srn
Here you will find clues to Puzzlemania #2.