The hill-fort (mound) of Opstainiai (Vilkyškiai, Raudondvaris)
The second hill-fort (mound) of Opstainiai
The mound of Opstainiai is situated at the beginning of the village Opstainiai and on the right side of the road Vilkyškiai – Bitėnai also 4 kilometers far from Vilkyškiai. This is a small mound on the shore of the river dammed Apstelė. Its slopes are low, but steep. At the top of the mound is a nearly regular circle formed field, which diameter reach of 20 meters. A long time the mound was forgotten. In 2010 the mound of Opstainiai was maintained and the tourists can it easy to access. From the top of the mound open’s a panoramic view. At the beginning of the summer tourists are attracted by red-painted foot mound with Smaliukės blossoms. The foot of the mound is equipped with a resting place. There are parking place and information stand for tourists. This mound has and other name – the second mound of Opstainiai. In 2005 and 2008 archaeological investigation were carried out. In this research was not found valuable artifacts and cultural backgrounds. However, this mound shall be considered to be protected.
The hill-fort (mound) of Šereiklaukis
The mound of Šereiklaukis is situated to the south of Šereiklaukis village and to the road Vilkyškiai – Bitėnai also 0,5 kilometers far from the main road. This is the only mound in Lithuania, which saw Skalvians tribal battles with the crusaders. By the rivers Nemunas and Jūra confluence stood a castle, led by Skalvian Šereika. Petras Dusburgietis in ,,Chronicle of Prussian land” writes about the year 1276 events, the history of the mound and chronicler Mikalojus Jerošinietis death of Šereika delineate at the rows. A long time the mound was not founded. Only in 1988 archaeologist Valdemaras Šimėnas found the mound of Šereiklaukis. It is very similar to other XIII century mound – castles. In 2005 archaeologists have discovered to the north-west of the mound an ancient settlement and cemetery. So far the mound of Šereiklaukis was not suitable for visitors. In 2011 the mound was maintained and the tourists can it easy to access. All three mounds in Rambynas Regional Park are fixing and adjust for visiting from the National Service for Protected Areas of concern for European Union funds.
The tumulus (graveyard) of Šereiklaukis
On the right bank of the Nemunas is the village of Šereiklaukis. The village has been declared an architectural preserve. The Šereiklaukis manor with its spirits factory, mixed-type park, and system of ponds was established at the beginnig of the 20th century. Next to the village is Sidabrakalnis (the ancient settlement) and a Milžinkapis (tumulus) of Šereiklaukis.
The hill-fort (mound) of Būbliškės (Birštoniškiai)
The hill-fort (mound) of Kreivėnų (Kulmenai)
The hill-fort (mound) of Vartūliškių (Šventkalnis)