Question 1

Where is Alps Kaido Hirayu?

Accepted Answer

Alps Kaido Hirayu is in Takayama, Gifu, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Hyouka does Alps Kaido Hirayu appear in?

Accepted Answer

Alps Kaido Hirayu appears in EP7 of Hyouka.

Question 3

Can I visit Alps Kaido Hirayu?

Accepted Answer

Yes. Alps Kaido Hirayu is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Hyouka filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Alps Kaido Hirayu is one of those real places (EP7).