Roundtop Mound (Twin Mounds)
Roundtop Mound (Twin Mounds) is an archaeological site in St. Clair, Illinois. Roundtop Mound (Twin Mounds) is situated nearby to the archaeological site Mound 59, as well as near Mound 60.| Tap on a place to explore it |
Places of Interest Nearby
Highlights include Monks Mound and Mound 72.
Monks Mound
Archaeological site
Photo: Skubasteve834, CC BY-SA 3.0.
Monks Mound is the largest Pre-Columbian earthwork in the Americas and the largest pyramid north of Mesoamerica. The beginning of its construction dates from 900 to 955 CE. Monks Mound is situated 2,200 feet north of Roundtop Mound (Twin Mounds).
Mound 72
Archaeological site
Photo: Carptrash, CC BY-SA 3.0.
Mound 72 is a small ridgetop mound located roughly 850 meters to the south of Monks Mound at Cahokia Mounds near Collinsville, Illinois. Early in the site's history, the location began as a circle of 48 large wooden posts known as a "woodhenge". Mound 72 is situated 1,300 feet south of Roundtop Mound (Twin Mounds).
Mound 34
Archaeological site
Mound 34 is a small platform mound located roughly 400 metres to the east of Monks Mound at Cahokia Mounds near Collinsville, Illinois. Excavations near Mound 34 from 2002 to 2010 revealed the remains of a copper workshop, although the one of a kind discovery had been previously found in the late 1950s by archaeologist Gregory Perino, but lost for 60 years. Mound 34 is situated 3,200 feet northeast of Roundtop Mound (Twin Mounds).
Places in the Area
Nearby places include State Park Place and Fairmont City.
State Park Place
Hamlet
State Park Place is an unincorporated community in Madison and St. Clair counties, Illinois, United States. State Park Place borders Collinsville to the east and Cahokia Mounds State Historic Site to the west.
Fairmont City
Fairmont City is a village in St. Clair and Madison counties, Illinois, United States. The population was 2,265 at the 2020 census, down from 2,635 in 2010.Washington Park
Village
Washington Park is a village in St. Clair County, Illinois, United States. The population was 2,592 as of the 2020 census, down from 4,196 in 2010. Washington Park is situated 2 miles southwest of Roundtop Mound (Twin Mounds).
Roundtop Mound (Twin Mounds)
- Type: Archaeological site
- Categories: historic site, tourist attraction, and tourism
- Location: St. Clair, Illinois, Midwest, United States, North America
- View on OpenStreetMap
Latitude
38.65442° or 38° 39′ 16″ northLongitude
-90.06454° or 90° 3′ 52″ westElevation
449 feet (137 metres)Open location code
86CFMW3P+Q5OpenStreetMap ID
way 360095283OpenStreetMap feature
historic=archaeological_site
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Satellite Map
Discover Roundtop Mound (Twin Mounds) from above in high-definition satellite imagery.
Notable Places Nearby
Highlights include Mound 59 and Mound 60.
Nearby Places
Explore places such as Monks Mound - Southwest Corner and Monks Mound.
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