Linnutaja linnamägi

The Birdman's hillfort (also Tarakvere Birdman's Mountain, Birdman's Mountain, Kalevipoja's bed, Tarakvere's os, Torma's hillfort, Birdman's Mountain) is a hillfort and os in the Riverland in the municipality of Blackwater, near the village of Tarakvere. Oos is part of the Tarakvere os system. Oos has been recorded as an object of primordial nature. He is also subject to heritage and conservation.