The home land of Oga Lotus (古代蓮の里) is a famous Lotus spot in Saitama. It has over 42 kinds 120,000 lotus in this park. The main feature of this park is Oga Lotus, aka Ancient Lotus. It was oldest flower in the world resurrected from 2000 years ago. From the end of June to the beginning of August, lotus will bloom a beautiful flowers.
Tourist Info.
There is a parking and restroom.
Access
0. Omiya Station.
1. use JR Takasaki Line to Gyoda.
2. use local bus to Kodaihasu no sato.
1 hr.
New Wave Samurai Movie. 
映画好き集まれ！ 
Parking ticket gives you the discount for observatory. There is a shop which sales local products such as vegetables and fruits. Also, you can by a baby plant of lotus.
There are also Robai flowers and Plum flowers in this park.
Note: Lotus bloom in early morning and close back by noon. Visit this park early in the morning to enjoy the flowers.