Akeno Blueberry Farm (明野ブルーベリー畑) offers the great blueberry picking located in Hokuto, Yamanashi Prefecture. Akeno has the longest hours of sunshine in Japan that creats the best blueberry. You can try blueberry picking here. At this farm, you can buy all kinds of blueberry products, especially blueberry ice cream is excellent. Also, around the farm, Sunflowers are blooming at the same season.
Tourist Info.
There are parking and restroom.
Admission: 1000 yen for adult. 300 yen for kids (only eat free at the farm.)
This includes the free take home bage with worth of 200g of blueberry.
Time: 9:00 to 16:00
Period: from the end of Jun. to begining of Aug.
Access
0. at Nirasaki Station.
1. use local bus to Haijinomura (30 min.)
1000 JPY
45 min
New Wave Samurai Movie. 
映画好き集まれ！ 
Akeno has the longest hours of sunshine in Japan. Therefore, it has one of the best blueberry. Akeno Blueberry farm has about 13 different kinds 4,000 blueberry trees. This farm is located 700m high from the sea level, therefore it is very cool even in summer.
For the blueberry picking, you can eat as many as you want in the farm, and you will get 200g take-home bage (only adult).