The Târnauca is a left

tributary A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...

of the river

Suceava Suceava () is a Municipiu, city in northeastern Romania. The seat of Suceava County, it is situated in the Historical regions of Romania, historical regions of Bukovina and Western Moldavia, Moldavia, northeastern Romania. It is the largest urban ...

. Its source is located near the village Bila Krynytsia in

Ukraine Ukraine is a country in Eastern Europe. It is the List of European countries by area, second-largest country in Europe after Russia, which Russia–Ukraine border, borders it to the east and northeast. Ukraine also borders Belarus to the nor ...

. The river then crosses the border into

Romania Romania is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern and Southeast Europe. It borders Ukraine to the north and east, Hungary to the west, Serbia to the southwest, Bulgaria to the south, Moldova to ...

, joining the Suceava near the village of

Costișa Costișa is a commune in Neamț County, Western Moldavia, Romania Romania is a country located at the crossroads of Central Europe, Central, Eastern Europe, Eastern and Southeast Europe. It borders Ukraine to the north and east, Hungary to ...

.Tarnauca (jud. Suceava)
e-calauza.ro In Romania, its length is and its basin size is .

References

Rivers of Romania Rivers of Chernivtsi Oblast Rivers of Suceava County {{Ukraine-river-stub