Question 1

Where is Tenseien?

Accepted Answer

Tenseien is in Hakone, Kanagawa, Japan. You can see its exact position from the map coordinates and the Street View link.

Question 2

Which scene of March comes in like a lion Season 2 does Tenseien appear in?

Accepted Answer

Tenseien appears in EP17 of March comes in like a lion Season 2.

Question 3

Can I visit Tenseien?

Accepted Answer

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

Question 4

Where was March comes in like a lion Season 2 filmed?

Accepted Answer

Anime and manga are not filmed the way live action is. Their backgrounds are painted from photographs of real locations, and Tenseien is one of those real places (EP17).