Kosaka was a prosperous mining town around the turn of 20th century, but the smoke from the factories had a devastated the surrounding plant life. In 1909, the townspeople decided to reforest the surrounding landscape by planting imported acacia trees. Now, every June the town bursts with the color and fragrance from over 3 million blooming acacia trees, the largest grove in Japan.
​Local honey bees flock to gather the pollen from the flowers which create exceptionally thick, sweet, and pure honey.