JAF Mate Online introduced four RV parks in Gifu Prefecture where you can comfortably sleep in your car during summer. These include a highland resort at about 1000 m elevation, the spring water town Gujo Hachiman, a park with manga and hot springs, and a farm at 500 m elevation where temperatures are 3°C lower than in the city. Overnight fees range from 1,500 to 5,000 yen.