<Tr> <Th> Created </Th> <Td> 1945 </Td> </Tr> <Tr> <Th> Operated by </Th> <Td> St. Louis County Government </Td> </Tr> <Tr> <Th> Website </Th> <Td> Creve Coeur Lake Memorial Park </Td> </Tr> <P> Creve Coeur Lake Memorial Park (also called Creve Coeur County Park) is a 2,145 - acre (8.68 km) St. Louis County park located in Maryland Heights, Missouri, United States . The park is the largest in the St. Louis County Parks system and includes Creve Coeur Lake, an oxbow lake which is the largest natural lake in Missouri . The park has facilities for picnicking, tennis courts, multi-purpose athletic fields, and an archery course . Creve Coeur Park includes Crystal Springs Quarry Golf Course, an 18 - hole course opened in 2001 . In December 2003, construction for the Creve Coeur Lake Memorial Park Bridge, which is part of Missouri Route 364, was completed . The concrete bridge connects St. Louis County to St. Charles County and crosses over the southern end of the park . The project also included Creve Coeur Lake being dredged and the addition of a siltation lake to prevent the need for later dredging . Creve Coeur Lake Memorial Park has an asphalt walking trail around the lake, which was constructed by the Missouri Department of Transportation alongside the bridge project . The trail also connects to a separate lane on the bridge leading across the Missouri River to connect to the Katy Trail . A large portion of the park and surrounding area is also wetlands, and the park has been used for conservation purposes, particularly the study of various waterfowl . </P>

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