Question 1

Where is Kamiyama Mountain Climbing Course?

Accepted Answer

Kamiyama Mountain Climbing Course is in Hakone, Kanagawa Prefecture, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of Oreimo does Kamiyama Mountain Climbing Course appear in?

Accepted Answer

Kamiyama Mountain Climbing Course appears in EP12 of Oreimo.

Question 3

Can I visit Kamiyama Mountain Climbing Course?

Accepted Answer

Yes. Kamiyama Mountain Climbing Course is a real place you can visit. Check what it looks like on Street View before you go.

Question 4

Where was Oreimo filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Kamiyama Mountain Climbing Course is one of those real places (EP12).