Powderhorn Lake (Illinois)
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LocationCook County, Illinois, United States[1]
BasincountriesUnited States
Surface area48 acres (19 ha)[1]
| Powderhorn Lake | |
|---|---|
.jpg) Powderhorn Lake | |
  Powderhorn Lake  Powderhorn Lake | |
| Location | Cook County, Illinois, United States[1] |
| Coordinates | 41°38′27″N 87°31′53″W / 41.64083°N 87.53139°W |
| Basin countries | United States |
| Surface area | 48 acres (19 ha)[1] |
| Average depth | 17.4 ft (5.3 m)[1] |
Powderhorn Lake, within Illinois but close to the state line, is a 48 acres (19 ha) lake that is part of the sand wetlands of the Indiana Dunes, most of which are located in the nearby state of Indiana.[1] It is the centerpiece of the 192 acres (78 ha) Powderhorn Lake Forest Preserve, part of the Forest Preserve District of Cook County in Cook County, Illinois.[1]
Powderhorn Lake drains into the Grand Calumet River, which is historically part of the Lake Michigan watershed. Man-made engineering now moves the Grand Calumet River's water into the Cal-Sag canal and valley system, which drains into the Des Plaines River and ultimately into the Illinois River.[2]