Yokote (Akita-ken) - Kamakura matsuri - 15-16 February
In the mist of a deep cold winter in north Japan, the snow in Yokote lights up with candle light. For the Kamakura festival in mid-February, the children make snow houses and the town is dotted by small shrines and snow-lamps. At night, each of these is a marvelously temporary melting beacon for visitors and the Water god.
source :
http://www.links.net/vita/trip/japan/akita/yokote/kamakura/
Other interesting links :
Japan Atlas
Yokote-shi