History of the structure/dating of construction phases

A concave hillfort in Ryżyn/Rzyżyn, mentioned in 1252 as Sienno, Sirino, in 1280 Zywino. In 1404 the seat of Mikołaj of Bielejew.

Description of the structure

Location of the historic structure

About 1 km northeast of Ryżyn, south of the road to Charcice, on the culmination between a lake and a stream north of an unnamed lake, although in the Middle Ages it was called “Rzyżynko Lake”.

Description of the site

A concave hillfort, without a moat, with a base diameter of about 50 m, a basin diameter of 20 m, rampart height of 2-5 m, inside 1-3 m

History of the site

Known at least from the 1st half of the 20th century. Entered in the register of historic monuments in 1989.

Progress and findings of archaeological research

Survey of the site in 1932; verification research in 1977; in 1986 surveys as part of the “Archaeological Picture of Poland” project.

Visitor access. Wooded and bushy hillfort, located off the beaten track

Author of the note: Marek Wróbel, Regional Branch of the National Institute of Cultural Heritage in Poznań, Field Office in Trzebiny, 14-05-2018

Bibliography

• Hensel W., Studia i Materiały do Osadnictwa Wielkopolski Wczesnohistorycznej, Vol. 5, pp. 469-471;
• Kowalenko W., 1938, Grody i osadnictwo grodowe Wielkopolski wczesnohistorycznej (od VV do XII wieku);
• Słownik Historyczno-Geograficzny Województwa Poznańskiego W Średniowieczu., part IV, z. 1. R, pp. 267-268