Iomrautvaam

The Iomrautvaam (Иомраутваам; Емрауткенваам) is a river in Chukotka Autonomous Okrug, Russia. The length of the river is 103 km and the area of is drainage basin 1310 km2.

The Iomrautvaam is the longest tributary of the Khatyrka river.

Course
The Iomrautvaam has its source in the Komeutyuyam Range of the Koryak Highlands. It flows in a roughly northeastern direction in the northern section of the range. Finally it meets the right bank of the Khatyrka 100 km from its mouth, close to the northeastern end of the ridge.

Khatyrka meteorite
The Khatyrka meteorite, a unique-type of meteorite fell in the area of the Iomrautvaam river basin at 62.65306°N, 174.50056°W. It was found during an expedition to Chukotka in the summer of 2011 buried in a 7,000-year-old layer of dirt and was named Khatyrka meteorite.

Flora and fauna
The river basin is characterized by tundra vegetation, including mosses, lichens, dwarf shrubs, and sedges.