The [Tree Valley Park] is a "private" science park nearby the official science park. http://www.treevalley.org/
The [Life Science Museum] is one of several interesting points in this park. http://www.tvsm.com.tw/
Please see above websites for detailed tourism information.
The cache is a camo box located behind the museum.
Please reserve at least 30 minutes to have a nice walk around here.