In 1267 Heinrich von Belmont was the first student from Raetia to study at University of Bologna.

[3] In 1352 Ulrich Walter von Belmont led a successful uprising against the Counts of Werdenberg-Heiligenberg.

[2] It is unknown whether Belmont Castle was also attacked and destroyed or was bypassed, but by the late 14th century it had fallen into ruins.

[5] In 1380 the Sax-Misox family traded the ruins of Belmont Castle as well as other lands to Brun von Rhäzüns.

However, there were two semi-circular ring wall that wrapped around the east, north and north-west sides of the peak with the inner one built first followed by the outer later.