It was built along the important trade road that led over the Julier and Septimer Passes probably in the 12th or 13th century.
In that case, when they died out in the early 13th century the castle was inherited by Marmels family.
The earliest mention of Spliatsch is in 1193 when, at the request of the emperor, Andreas von Marmels imprisoned the papal legate Cintius there.
[2] In 1486 the castle was inherited by Anton and Augustin de Beccaria from their mother Anna von Marmels.
At that time the tower was still in good condition and the renters were required to look after it and repair the roof as needed.