On the way between Nagoya and Takayama, is there any place worth seeing?

Question

I will fly to Nagoya and then visit Takayama this December. As the rail journey takes about 4 hours from Nagoya International Airport to Takayama, I intend to break the journey into two sectons. This means I will stop over somewhere between these two places. Any suggestion for 1-2 days' stay between Nagoya and Takayama?

Answer 1

Very close to Nagoya is Inuyama which has the oldest castle still standing in Japan. It's set on top of a hill above the river so it makes for some good pictures.

Near Takayama is the Shokawa Valley with it's old tradtional farm houses with thatched roofs that are triangle-shaped.

Gero - is a hot springs town with a hot springs temple