Akane
We're going to be traveling through Gifu to see the Shirakawago World Heritage site. We want to go to an Onsen as well. Where are the onsens in Gifu prefecture?
Akane
There are 3 hot springs in Gifu. The Okuhida Onsen, Gero Onsen, and Akigami Onsen. The most famous would be Gero Onsen.
http://travel.kankou-gifu.jp/en/see-and-do/scid_4/type_side/d.html