We plan to go to Nagara River Firework Festival on July 30, and rafting next day. 
Will stop by Inuyama castle (& monkey park if we have time) Saturday afternoon before checking in our guesthouse. 

Meeting time & place: 10:00am at JR Takatsuki on Saturday
Accommodation and other cost: 
Guesthouse Kiten in GIfu @3,500 yen for dormitory bunk bed
Car cost share(highway toll, parking, gas): 3,000-5,000 yen depending on # of people in a car
Rafting gear & boat rental: 1,500 yen

Max #: 5 
Signn-up deadline: July 29th (Thursday)
The guesthouse may get full before that due to the big firework festival. 

Cancellation: 
The weather forecast is good. No cancellation please. You'l be charged full amount for guesthouse after 28th.