Soontagana Maalinn, an ancient stronghold in Kurese, Pärnu County, represents one of Estonia's most notable pre-medieval fortifications, established during the 7th to 8th centuries on an island within Avaste swamp. The site features a circular earthwork measuring 50 by 100 meters and rising 6 to 7 meters above the surrounding terrain, originally accessible only through a secret underwater path that restricted entry to those possessing local knowledge. The stronghold ultimately succumbed to Livonian crusading forces, with final Christianization occurring in 1226. Today, the fortress is surrounded by striking natural landscapes of meadows, historic farms, and traditional stone fences, offering visitors opportunities for walking, camping, and cultural exploration in a site rich with ancient Estonian history and legendary heritage.