
Place
river in Travis County, Texas, United States of America
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Not who you're looking for? Others named Walnut Creek: river in Dallas, Tarrant and Johnson counties, Texas, United · city in Contra Costa County, California, United States · stream in the American state of Missouri · river in Jewell County, Kansas, United States of America
Walnut Creek is a 23-mile (37 km) long tributary stream of the Colorado River in Texas. It flows from north to south, crossing the Edwards Plateau on the western side of Austin, down to the Blackland Prairie on the eastern side of the city where it then drains into the Colorado River downstream of Longhorn Dam. The stream's upper region flows over limestone, while the southern stretch passes through deeper clay soils and hardwood forest. Walnut Creek's watershed, spanning 36,000 acres (15,000 ha), is the largest in Central Austin.
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