Alwero River

{{short description|River in Gambela Region, Ethiopia}}{{Infobox river

| name = Alwero River

| map = Sobat OSM.png

| map_caption = Map of the Sobat River basin, showing the Alwero

| mouth_coordinates = {{coord|8|26|N|33|24|E|display=it}}

| name_other = Aluro, Aluoro, Alero

| country = Ethiopia

| state_type = Regions

| state = Gambela, Omoria

| source1 =

| source1_location = Nono Forest

| source1_elevation = {{cvt|2363|m}}

| source1_coordinates = {{coord|7.714742|N|35.131386|E}}

| mouth = Baro River

| mouth_location =

| mouth_elevation = {{cvt|406|m}}

| length = {{cvt|275|km}}

| discharge1_location = Mouth (estimate) {{Cite journal |last1=Müller Schmied |first1=Hannes |last2=Cáceres |first2=Denise |last3=Eisner |first3=Stephanie |last4=Flörke |first4=Martina |last5=Herbert |first5=Claudia |last6=Niemann |first6=Christoph |last7=Peiris |first7=Thedini Asali |last8=Popat |first8=Eklavyya |last9=Portmann |first9=Felix Theodor |last10=Reinecke |first10=Robert |last11=Schumacher |first11=Maike |last12=Shadkam |first12=Somayeh |last13=Telteu |first13=Camelia-Eliza |last14=Trautmann |first14=Tim |last15=Döll |first15=Petra |date=2021-02-23 |title=The global water resources and use model WaterGAP v2.2d: model description and evaluation |url=https://gmd.copernicus.org/articles/14/1037/2021/ |journal=Geoscientific Model Development |language=English |volume=14 |issue=2 |pages=1037–1079 |doi=10.5194/gmd-14-1037-2021 |doi-access=free |bibcode=2021GMD....14.1037M |issn=1991-959X|hdl=11250/2984567 |hdl-access=free }}

| discharge1_min = {{cvt|37|m3/s}}

| discharge1_avg = {{cvt|8.69|m3/s}}

| discharge1_max = {{cvt|85.2|m3/s}}

| progression = Baro → Sobat → White Nile → Nile → Mediterranean Sea

| river_system = Nile Basin

| basin_size = {{cvt|8280|km2}}

| basin_population = 53,000 Liu, L., Cao, X., Li, S., & Jie, N. (2023). GlobPOP: A 31-year (1990-2020) global gridded population dataset generated by cluster analysis and statistical learning (1.0) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.10088105

| tributaries_left = Ubela

| tributaries_right =

| waterfalls =

| bridges =

| ports =

| city = Mattar

| waterbodies = Alwero Dam

}}

Alwero River (also spelt Aloru, Aluoro and Alwero) is a river in Abobo woreda of Gambela Region, Ethiopia. It flows through the Gambela National Park and through wetlands into the Openo/Baro River.

As of 2012 Saudi Star planned to divert significant amounts of water from the river through a {{Convert|30|km}} cement canal to irrigate rice.{{Cite web |date=2012-07-30 |title=A troubled Klondike |url=https://www.stockholmresilience.org/research/research-news/2012-07-30-a-troubled-klondike.html |access-date=2024-11-26 |website=Stockholm Resilience Center |publisher=Stockholm University |language=en}}