Site A
Site A was a research facility near Chicago where, during World War II, research on behalf of the Manhattan Project was carried out. Operated by the University of Chicago's Metallurgical Laboratory, it was the site of Chicago Pile-2, a reconstructed and enlarged version of the world's first nuclear reactor, Chicago Pile-1.- Type: Landfill
- Description: Nuclear disposal site in Cook County, Illinois, US
- Also known as: “Plot M” and “Site A / Plot M Disposal Site”
Places of Interest Nearby
Highlights include Red Gate Woods and St. James Catholic Church and Cemetery.
Red Gate Woods
Picnic site
Photo: Joseph Gage, CC BY-SA 2.0.
Red Gate Woods is a forest preserve section within the Palos Forest Preserves, a division of the Forest Preserve District of Cook County, Illinois. Red Gate Woods is situated 3,100 feet north of Site A.
St. James Catholic Church and Cemetery
Cemetery
Photo: Teemu08, CC BY-SA 3.0.
St. James Catholic Church and Cemetery, also known as St. James at Sag Bridge Church is a historic church and cemetery in the Sag Bridge area of the village of Lemont, Illinois. St. James Catholic Church and Cemetery is situated 1 mile west of Site A.
Saganashkee Slough
Reservoir
Saganashkee Slough is a 377 acres, manmade riparian lake that forms part of the valley of the Cal-Sag Channel. It is located in the Palos Forest Preserves of Cook County, Illinois, on wetland that was drained but was later reverted to a lake starting in 1948-1949 by the construction of dams and levees.
Places in the Area
Nearby places include Palisades and Willow Springs.
Palisades
Neighborhood
Palisades is an unincorporated community in Downers Grove Township, DuPage County, Illinois, United States. Palisades is located along the north bank of the Des Plaines River and the Chicago Sanitary and Ship Canal. Palisades is situated 1½ miles northwest of Site A.
Willow Springs
Village
Photo: MrHarman, CC BY-SA 4.0.
Willow Springs is a village in Cook County, Illinois, United States, with a small portion extending into DuPage County. The village was founded in 1892 and was named for the springs along the Des Plaines River. In 2020, the population was 5,857. Willow Springs is situated 3 miles northeast of Site A.
Burr Ridge
Village
Burr Ridge is a village in Cook and DuPage counties in the U.S. state of Illinois. Per the 2020 census, the population was 11,192. Burr Ridge is situated 3½ miles north of Site A.
Site A
- Categories: radioactive waste repository, code name, and memorial stone
- Location: Cook, Illinois, Midwest, United States, North America
- View on OpenStreetMap
Latitude
41.7021° or 41° 42′ 8″ northLongitude
-87.91185° or 87° 54′ 43″ westOpen location code
86HJP32Q+R7OpenStreetMap ID
way 1352503344OpenStreetMap feature
landuse=landfillWikidata ID
Q16821679
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Satellite Map
Discover Site A from above in high-definition satellite imagery.
In Other Languages
From French to Italian—“Site A” goes by many names.
- French: “Plot M”
- French: “Site A / Plot M”
- French: “Site A”
- French: “Site A/Plot M”
- German: “Plot M”
- German: “Site A / Plot M”
- German: “Site A und Plot M”
- German: “Site A”
- Italian: “Sito A”
Places with the Same Name
Discover other places named “Site A”.
Notable Places Nearby
Highlights include Red Gate Woods Trail Access and The Painted Quarry.
Nearby Places
Explore places such as Chicago Pile 1 Site A and Post 28.
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