It is an amazingly extensive wine vat contained inside the basements of Heidelberg Castle.

There have been four such barrels ever. In 1751, the time of its development, the present one had a limit of 221,726 liters 58,574 U.S. gallons.

Because of the drying of the wood its present limit is 219,000 liters 57,854 U.S. gallons.

One hundred and thirty oak trees were supposedly utilized as a part of its development.

It has just once in a while been utilized as a wine barrel, and in reality, directly appreciates more use as a vacation spot, and furthermore as a moving floor since one was developed over the tun.