Ina (river)

{{More citations needed|date=November 2024}}

{{Infobox river

| name = Ina

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| mouth_location = Oder

| mouth_coordinates = {{coord|53.5342|N|14.6356|E|source:kolossus-dewiki|display=it}}

| subdivision_type1 = Country

| subdivision_name1 = Poland

| progression = {{ROder}}

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The Ina ({{Langx|de|Ihna}}) is a river in northwestern Poland, a right tributary of the Oder River.{{cite journal |last1=Nędzarek |first1=Arkadiusz |last2=Tórz |first2=Agnieszka |last3=Bonisławska |first3=Małgorzata |last4=Gajek |first4=Anna |last5=Harasimiuk |first5=Filip |title=Water Quality in the Central Reach of the Ina River (Western Pomerania, Poland) |journal=Polish Journal of Environmental Studies |date=2015 |volume=24 |pages=207–214 |doi=10.15244/pjoes/26971 |url=https://www.researchgate.net/profile/Arkadiusz-Nedzarek/publication/269399452_Evaluation_of_indicators_and_processes_determining_water_quality_in_the_central_reaches_of_the_Ina_River_Western_Pomerania_Poland/links/54f5bd570cf27d8ed71cb226/Evaluation-of-indicators-and-processes-determining-water-quality-in-the-central-reaches-of-the-Ina-River-Western-Pomerania-Poland.pdf |access-date=16 November 2024 |language=en |issn=1230-1485}}

The origins of the river are in Insko Lake (Polish: jezioro Ińsko), and it flows through a succession of smaller lakes. The confluence of Ina River is localized in Police town, near Szczecin.{{Citation needed|date=November 2024}} It has a length of 129 km, and the basin area of the Ina is 2189 km².

The main towns situated on the Ina River are:

• Ińsko
• Goleniów
• Stargard with the famous Stargard Mill Gate
• Police, Poland (on the confluence of Ina River into the Oder)

In Pomeranian history, the Ihna from 1295 to 1464 separated Pomerania-Stettin and Pomerania-Wolgast. In the 16th century, it was one of the first European rivers to have its channel straightened, and was an important shipping artery up to WWII. Tributaries of the Ina are: Krępiel, Mała Ina, Reczek, Struga Goleniowska.