| Marys River | |
|---|---|
 | |
| Physical characteristics | |
| Source | |
| • location | Randolph County, Illinois |
| • coordinates | 38°11′07″N89°37′40″W / 38.1853276°N 89.6278734°W /38.1853276; -89.6278734 (Marys River origin) |
| Mouth | |
• location | Confluence with the Mississippi River |
• coordinates | 37°52′49″N89°46′59″W / 37.8803295°N 89.783161°W /37.8803295; -89.783161 (Marys River mouth) |
• elevation | 354 ft (108 m) |
| Length | 41 mi (66 km) |
| Basin features | |
| GNIS ID | 413088 |
Marys River is a tributary of theMississippi River inIllinois. It drains a small watershed between theBig Muddy River and theKaskaskia River. It joins the Mississippi just southeast ofChester, nearKaskaskia. Because of its proximity to Kaskaskia — the capital of Illinois Territory and the first capital of the State of Illinois — Marys River was the site of early settlements leading into the interior of Illinois.
Marys River is approximately 41 miles (66 km) in length.[1]
The following cities and towns are in the Marys River basin:
Parts of the following counties are in the Mary's River basin:
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