Castle ruin Rosenberg Berneck SG, Medieval castle ruin in Berneck, Switzerland

Castle ruin Rosenberg in Berneck is a spur castle ruin on the Rosenberg hillspur, overlooking the lower Middle Rhine Valley. Its west wall, once 20 metres high and 1.5 metres thick, survives in parts. The former stair tower, now called Schlössli Rosenberg, stands on the estate with a vineyard. The north side is wooded, so the ruin is no longer visible from that direction.

Built in the 12th or 13th century as Burg Bernang, probably by the Edlen von Bernang as their ancestral seat, it was first documented in 1210 with a Marquart. In 1290 the widow Behem ceded the castle to the monastery of St. Gallen, and in 1305 it was renamed Rosenberg after its new owners. From 1505/1518 to 1798 the monastery's Obervogt administered the estates from here. In 1811 nineteen Berneck citizens bought the castle for 34,550 guilders and demolished it in 1812, using the stones as building material.

The name Rosenberg comes from the noble family that took over the castle in 1305, and the south slope below it still bears the name Bernecker Rosenberg as the vineyard whose wine carries it. Since 1817 the site has been in private hands, and the former spiral staircase tower is now called Schlössli Rosenberg.

When visiting, be aware of uneven ground and exposed stonework since this is an active ruin with natural hazards to navigate. Wear sturdy footwear and allow time to slowly explore the structure at your own pace.

The 20-metre-high, 1.5-metre-thick west wall survives in parts, though the castle was demolished in 1812 and its stones reused as building material. The former spiral staircase tower, now called Schlössli Rosenberg, was fitted with a small bell turret and clockwork by Dr Johann Jakob Ritz, and a protected silver poplar he planted in 1836 still stands.