Nizhneudinsk is a city of 34,000 people (2018) in Irkutsk Oblast. Nizhneudinsk is a stop on the Trans Siberian Railway, almost equidistant from Moscow and Vladivostok. The town boasts a small museum, a pretty church and a movie theatre. There are some caves and a waterfall a 20-km trek away.
Nizhneudinsk has long, severely cold winters and short, warm summers. Precipitation is quite low but is much higher in summer than at other times of the year.
Primary administrative division