Kōmayama Park (Shōnandaira) 高麗山公園(湘南平)
From the observation tower you can see the sea, Enoshima and, on clear days, Mount Fuji all at once.
A hillside park on the border between Hiratsuka and Ōiso, it includes Mount Kōma (strategically important since ancient times for control of the Shōnan coast) and the Shōnandaira viewing platform, with an observation tower.
Kanagawa
Ōiso
https://theanimetrip.com/luoghi/parco-di-komayama-shonandaira