The castle Fronhofen, also called Roman Tower, is a partially preserved medieval residential tower in Fronhofen (district of Fronreute) in the district of Ravensburg in Baden-Württemberg.
The tower can be visited at any time, the ascent is very adventurous. The key hangs on the left above the door. The light switch is located in the entrance area of the tower. Very important: switch off the light again after the visit, lock the door and hang the key back!