The Amazar is a left
tributary of the Amur. It is formed in the slopes of the
Cheromny Range,
Olyokma-Stanovik Highlands, at the confluence of the Big Amazar (Bolshoy Amazar) and Small Amazar (Maly Amazar). In its upper course it flows roughly southeastwards across mountainous terrain, forming the northern limit of the
Amazar Range. The river bed is subject to human interference in certain stretches, where it is dredged for the extraction of alluvial minerals, affecting natural biodiversity. The town of
Mogocha lies at the confluence of its Mogocha tributary, where the river channel branches and the
floodplain widens, forming up to long islands. Downstream from the confluence of the Bolshoi Chichatka, the Amazar crosses the
Amazar Range. Further down the river forms large bends and in some stretches there are lakes in the floodplain. Some of the rocky shore areas are picturesque, but the scars of
gold mining are quite apparent. The largest tributary of the Amazar is the long
Bolshoy Chichatka (Big Chichatka) that joins it from the left and has a
drainage basin area of . There are 104 small lakes in the river basin, with a total area of . The river freezes to the bottom between October and late April or early May. ==See also==