Simons River

{{Use American English|date=February 2025}}

{{Refimprove|date=May 2020}}

{{Infobox river

| name = Simons River

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| map_size = 180

| map_caption = Mouth of Simons River

| map_alt = Map of Simons River mouth

| pushpin_map = Delaware#USA

| pushpin_map_size = 180

| pushpin_map_caption=

| pushpin_map_alt = Location of Simons River mouth with Delaware Bay

| subdivision_type1 = Country

| subdivision_name1 = United States

| subdivision_type2 = State

| subdivision_name2 = Delaware

| subdivision_type3 = County

| subdivision_name3 = Kent

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| length = 1.8 miles{{cite web |title=GNIS Detail - Simons River |url=https://geonames.usgs.gov/apex/f?p=138:3:0::NO:3:P3_FID,P3_TITLE:214656,Simons%20River |website=geonames.usgs.gov |publisher=US Geological Survey}}

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| source1_coordinates= {{coord|39|12|46|N|075|25|48|W|display=inline}}{{cite web |title=GNIS Detail - Simons River |url=https://geonames.usgs.gov/apex/f?p=138:3:0::NO:3:P3_FID,P3_TITLE:214656,Simons%20River |website=geonames.usgs.gov |publisher=US Geological Survey |accessdate=19 May 2019}}

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| mouth =

| mouth_location = 4.7 miles northeast of Little Creek, Delaware>

| mouth_coordinates = {{coord|39|13|23|N|075|24|15|W|display=inline}}

| mouth_elevation = sea level (0 ft.)

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| river_system = Delaware River

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The Simons River is a short river in Delaware in the United States, approximately 3 mi (5 km) long. It drains a wetlands area on the southern shore of Delaware Bay.

It is formed in Bombay Hook National Wildlife Refuge approximately 5 mi (8 km) northwest of Dover, Delaware, by the confluence of Herring Branch and Green Creek. It flows in a serpentine course to the Delaware. The river is flanked on the north by the mouth of the Leipsic River.