Ajisai park is one of 100 best flower spots in Kanagawa.
When the air is clear, you can also see Mt. Fuji.
Hayama Ajisai Park (葉山あじさい公園) is a park of Hydrangea located in Hayama, Kanagawa. It has about 3,000 Hydrangea which bloom in the end of June. You can also see great view of Sagami Bay.
Tourist Info.
There is parking and restroom.
It is a small park.
Access
0. Yokosuka Station.
1. use Keikyu to Shinzushi
2. use local bust to Mukaigahara (15 min.)
3. walk south west (10 min.)
300 JPY
45 min
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映画好き集まれ！ 
Ajisai park is one of 100 best flower spots in Kanagawa.
When the air is clear, you can also see Mt. Fuji.