Popeni (river)

{{Infobox river

| name = Popeni

| native_name =

| native_name_lang =

| name_other = Ursoaia

| name_etymology =

| image =

| image_size =

| image_caption =

| pushpin_map = Romania

| subdivision_type1 = Country

| subdivision_name1 = Romania

| subdivision_type2 = Counties

| subdivision_name2 = Bacău County

| subdivision_type3 = Villages

| subdivision_name3 = Popeni

| length = {{convert|22|km|abbr=on}}

| width_min =

| width_avg =

| width_max =

| depth_min =

| depth_avg =

| depth_max =

| discharge1_location=

| discharge1_min =

| discharge1_avg =

| discharge1_max =

| source1 =

| source1_location =

| source1_coordinates=

| source1_elevation =

| mouth = Trotuș

| mouth_location = Boiștea

| mouth_coordinates = {{coord|46.1929|26.9587|display=inline,title}}

| mouth_elevation =

| progression = {{RTrotuș}}

| river_system =

| basin_size = {{convert|65|km2|abbr=on}}

| tributaries_left =

| tributaries_right = Secul

| custom_label =

| custom_data =

| extra =

}}

The Popeni (also: Ursoaia) is a right tributary of the river Trotuș in Romania.{{GeoSource|RO|Annex7|968}}{{GeoSource|RO|Atlas|411|XII.1.69.39}}Ovidiu Gabor - {{cite web |url=http://www.riob.org/euro-riob/cracovie/27_sep_2004/costrecoverymechanism.pdf |title=Economic Mechanism in Water Management |accessdate=2009-03-05 |url-status=dead |archiveurl=https://web.archive.org/web/20090305111215/http://www.riob.org/euro-riob/cracovie/27_sep_2004/costrecoverymechanism.pdf |archivedate=5 March 2009 }}, map page 10 It discharges into the Trotuș in Boiștea. Its length is {{convert|22|km|abbr=on}} and its basin size is {{convert|65|km2|abbr=on}}.{{GeoSource|RO|Atlas|411|XII.1.69.39}}