The Grad Castle above eponyomus village proudly rises on the top of a steep hill of basalt tuff. The estate around the castle was included by King Béla III into the Kingdom of Hungary and in 1183 donated to the newly founded Cistercian monastery in Szentgotthárd. The estate, called Lyndwa, was first mentioned in written sources already in 1208, while first records on the existence of the castle date to year 1275. Archaeological excavations proved its existence as early as the 11th century. According to the legend, the castle was founded by the Knights Templar.

Castle got is todays extensive size in the 16th and 17th centuries, while in the 18th and 19th centuries castle was the subject of extensive renovations. In 1751, a bell tower was added to the castle tower with a castle chapel. Bell tower, build on the plans of the architect Josef Hueber, was also the final act of the baroque reconstruction. The bell tower was renovated in 2001.