Tereshka

{{Infobox river

| name = Bolshaya Tereshka River

| image = Podgornoje2.jpg

| image_caption = Tereshka in the Podgorny District.

| source1_location = Ulyanovsk Oblast

| mouth = Volga

| mouth_location = Volgograd Reservoir near Marks

| mouth_coordinates = {{coord|51|49|1|N|46|32|33|E|source:zhwiki|display=it}}

| subdivision_type1 = Country

| subdivision_name1 = Russia

| length = {{convert|273|km|mi|abbr=on}}

| source1_elevation =

| mouth_elevation =

| discharge1_avg = {{convert|17.5|m3/s|cuft/s|abbr=on}} recorded {{convert|46|km|mi|abbr=on}} from mouth

| basin_size = {{convert|9680|km2|mi2|abbr=on}}

| progression = {{RVolga}}

}}

The Bolshaya Tereshka ({{langx|ru|Большая Терешка}}) or simply Tereshka is a river in the Ulyanovsk and Saratov oblasts of the Russian Federation, a right tributary of the Volga. The Tereshka is {{convert|273|km|mi}} long, and its watershed covers {{convert|9680|km2|mi2}}.[http://textual.ru/gvr/index.php?card=185591 «Река Терешка (Большая Терешка)»], Russian State Water Registry It begins in the Privolzhskaya Hills and flows to the Volgograd Reservoir. Ice on the Tereshka forms in November or December and thaws in March or April.