Schaler Aa

{{short description|River in Germany}}

{{Expand German|topic=geo|date=October 2011|Schaler Aa }}

{{Infobox river

| name = Schaler Aa

| other_name = {{ubl|Halverder-Schaler Aa|Halverder Aa|Weeser Aa}}

| image =

| image_size =

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| map =

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| source1_location =

| source1_coordinates = {{coord|52.4803|7.8487}}

| mouth_location = Große Aa

| mouth_coordinates = {{coord|52.4726|7.5593|type:river|display=it}}

| progression = {{RGroße Aa}}

| subdivision_type1 = Country

| subdivision_name1 = Germany

| subdivision_type2 = States

| subdivision_name2 = {{ubl|Lower Saxony|North Rhine-Westphalia}}

| length_km = 31.0

| length_ref = {{GeoQuelle|DE-NW|GSK3C}}

| source1_elevation =

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| basin_size_km2 = 137

| basin_size_ref = {{GeoQuelle|DE-NW|GSK3C}}

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Schaler Aa is a river of Lower Saxony and North Rhine-Westphalia, Germany. It flows into the Große Aa south of Freren.

The river springs as Weeser Aa southeast of the Ankum Heights and east of Merzen in Lower Saxony.{{Google maps|title=source of the Weeser Aa|url=https://www.google.com/maps/place/52%C2%B028'49.2%22N+7%C2%B050'55.2%22E/@52.4746594,7.8402601,14.75z/data=!4m6!3m5!1s0x0:0x0!7e2!8m2!3d52.4803281!4d7.8486556?hl=en|accessdate=31 March 2019}} After crossing the boundary between Lower Saxony and North Rhine-Westphalia, it changes it name into Halverder Aa{{Google maps|title=Weeser Aa / Halverder Aa|url=https://www.google.de/maps/place/52%C2%B024'27.5%22N+7%C2%B042'39.6%22E/@52.4115898,7.7039833,15z/data=!4m6!3m5!1s0x0:0x0!7e2!8m2!3d52.4076262!4d7.7109918|accessdate=31 March 2019}} and near {{ill|Halverde|ar|هالفيرده|de|Halverde}} (a district of Hopsten) into Halverder-Schaler Aa.{{Google maps|title=Halverder Aa / Halverder-Schaler Aa|url=https://www.google.com/maps/@52.4178578,7.6737784,16z?hl=en|accessdate=31 March 2019}} Near {{ill|Schale, Hopsten|lt=Schale|ar|شاله|de|Schale (Westfalen)}} (a district of Hopsten), it changes its name again into Schaler Aa.{{Google maps|title=Halverder-Schaler Aa / Schaler Aa|url=https://www.google.com/maps/place/52%C2%B026'49.4%22N+7%C2%B037'13.2%22E/@52.4461278,7.6190515,15.75z/data=!4m6!3m5!1s0x0:0x0!7e2!8m2!3d52.4470647!4d7.6203406?hl=en|accessdate=31 March 2019}} Finally, it discharges into the Große Aa south of Freren.{{Google maps|title=mouth of the Schaler Aa|url=https://www.google.com/maps/place/52%C2%B028'21.3%22N+7%C2%B033'33.6%22E/@52.474182,7.5546797,14.5z/data=!4m6!3m5!1s0x0:0x0!7e2!8m2!3d52.4725691!4d7.559325?hl=en|accessdate=31 March 2019}}