Legen is such a traditional beverage coming from Tuban, East Java. Legen is taken by the Siwalan tree which almost spread all over Tuban.
Originally, Legen is the first water of Siwalan with taste of sweet and fresh, without being fermented. After getting fermented legen is change to be Tuak. Tuak is now become a traditional alcohol beverage with strong and heavy taste, and of course, tipsify.