Sormuskivi Erratic Boulder Location Tassiantie 1-3 54230 Lappeenranta Navigate Contact https://saimaageopark.fi/en/sormuskivi-erratic-boulder/#filter=r-fullyTranslatedLangus-,r-onlyOpened-,sb-sortedBy-0 jenna.tiimo@saimaageopark.fi +358 40 482 6123