This festival will be held on Saturday and Sunday (the 27th and 28th) from 6 PM and 9 PM. Here’s a map showing the location:

http://goo.gl/maps/m6rxw

Most of the photos are from

http://hp.amakusa-web.jp/a0663/MyHp/Pub/Free.aspx?CNo=13

I learned about event here:

http://kumanago.jp/topics/?mode=detail&id=759