State archaeological heritage (State Inspection for Heritage Protection, No 1784). It is also called the Ozolkalns Hill (Oak Hill). The cult site is related to the Ūbāni Hill Fort. Archaeological excavations allow to date the hill fort back to the 1st millennium A.D. (Latvian Hill Forts (Latvijas pilskalni). Publication by the Eiropean Heritage Days. 1998)
No recorded folklore materials have been found. The local people cannot tell anything about the site.
The retired former teacher of music Artis Kumsārs could know more about those sites.