Sayama Inariyama park is located at former park of a US base, which is now JSDF Iruma airbase. The park is famous for approximately 300 sakura trees, most of them are Yoshino-Cherry type.
Therefore it is a very popular place during sakura season in late March and beginning of April. Many people come to the park and enjoy watch the trees and also having picnic.
The park is open for public and there is no admission. The park is located in front of Inariyama-koen station of Seibu Ikebukuro line which takes 40 minutes by express train from Ikebukuro station in Tokyo.