Team SOS explored the city in search of mysterious phenomena. Kyon and Mikuru searched on the west side of the station. This park, "Shukugawa park" is one of the places where they went to search. it appeared in Episode 4, 12 minutes.
Here, Mikuru confessed to Kyon that she actually came from the future...!
This park also appeared in"The Adventures of Asahina Mikuru".
The nearest station is Hankyu Kurakuenguchi.