Visit Mitsuboshi Kaidou, and make a postcard to commemorate your trip there!
You can send the postcard printed with the beautiful landscapes and your desired photograph for free to anywhere in the world from the five areas, Kanazawa, Gokayama (Nanto city), Shirakawa-go, Takayama and Matsumoto!
You have to answer a simple survey
One postcard is available for free for each person in every area
Make a post card: https://posto.jp/campaign/mitsuboshi/index
Visit all five areas and collect the stamps!
More than one stamp: Gift card of Amazon
More than three stamps: Sourvenirs at Tourist Information in each area
Limited period until March 2019