This is the spot where Chihaya and Taichi were reunited with Arata. Episode 5, 6 minutes 45 seconds. Or volume 2 page 113 in the comics.
"Do I want to see Arata? Or, do I not want to see Arata?" Chihaya is hesitant to meet Arata. At that time, She met Arata by chance.
The cherry trees are located on the east side of the station. You will find the chimney of the paper mill on the the north side of the plant. It is about a 5-minute walk from the station.