The Uchur river starts in the Nemerikansky and the Gefan Ranges and empties into the Aldan river. Its total length is 812 km, including 546 within the Khabarovsky krai territory. The main tributaries are the Ooyan and the Idyum. High spring flood waters are common here.
The river current is mostly slow. The clearly mountain character of riverbed is typical of the uppermost flow and the span where the river crosses the Lurikan Range. Rafting is easy and comfortable except the above-mentioned range area with the dangerous rapids called the Babushki-Dedushki. The rapids are surmountable for rafting only by high water.
Rafting down the river one can see brown bear, wolf, sable, ermine, northern deer, musk deer, woodcock, hazel grouse, partridge, duck, diver, birds of prey. Good prospects here are for sports fishing lenok, grayling, cisco, taimen, pike, perch.