be sure to contact the site operator before takeoff (number on the table)
weather station data available at:
http://www.parafreek.hr/meteojap.php
Access
From town Jastrebarsko go to village Sveta Jana, from there take the road to Japetic (by car, you can also take 1.5h walk uphill to the takeoff - it is not the same road, ask the locals)
Rules
1400m ASL alowed