The Ulya river takes the beginning on the northeast slope of Djugdjur mountains and runs into the Okhotsk Sea. The total length of the river makes 325 km. A valley is narrow, precisely expressed. It is the spawning place of salmon.
The opening and development of the Far Eastern territories begun from the coast of the Okhotsk sea, namely from the Ulya river. In the summer of 1639 a small group of discoverers under the guidens of I.U.Moskvitin went down this river into the Okhotsk Sea for the first time.