Former country estate Rockhall, Manor house complex in New City North, Bienne, Switzerland

Rockhall is a former early Baroque country estate at Seevorstadt 103 in Biel/Bienne, built 1692–1694 for Meier Johann Franz Theilung. The main house has a mansard hipped roof over a rusticated limestone base, a south facade with a central risalit in Hauterive stone, an external staircase and a round gable. Two symmetrical neo-Baroque villas with sandstone and brick facades were added in 1902.

This property was built between 1692 and 1694 as the first private residence outside Bienne's city walls. In 1763, naturalist Jean-Rodolphe Vautravers purchased the estate and transformed its layout.

The name Rockhall was coined by Jean-Rodolphe Vautravers after he bought the estate in 1763, combining English words for rock and hall. The stair hall and vestibule of the main building carry grisaille ceiling paintings with hunting scenes, animals and plants, copied from an engraving by Theodor Bang of Nuremberg around 1620. Today the complex houses the civil registry office for the Seeland district and the Swiss Literature Institute.

The property now houses the civil registry office and is equipped with accessible facilities for visitors. A ceremony room within the complex is available for weddings and special events.

The estate attracted notable figures of its time, including Italian occultist Alessandro Cagliostro who stayed as a guest. This connection reveals how the property held importance beyond local circles.