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The Tualatin River is a tributary of the Willamette River in Oregon in the United States. The river is about 83 miles (134 km) long, and it drains a fertile farming region called the Tualatin Valley southwest and west of Portland at the northwest corner of the Willamette Valley. There are approximately 500,000 people residing on 15 percent of ...
The lake is a former channel of the Tualatin River, carved in basalt to the Willamette River.Eventually, the river changed course and abandoned the Oswego route. [1] [2]About 13,000 to 15,000 years ago, the ice dam that contained Glacial Lake Missoula ruptured, resulting in the Missoula Floods, which backed the Columbia River up the Willamette River.
The Elk River Chain of Lakes Watershed, commonly known as the Chain of Lakes, is a 75-mile-long (121 km) waterway consisting of 14 lakes and connecting rivers in the northwestern section of the Lower Peninsula of the U.S. state of Michigan, which empty into Lake Michigan.
[14] [24] Today, the refuge spreads out over ten miles (16 km) along the Tualatin River, Rock Creek, and Chicken Creek, and is managed in five main sections (units): [9] Rock Creek, Onion Flats, Riverboat, Tualatin River, and Atfálat´i. [25] The refuge also includes the Tonquin scablands created by the Missoula Floods to the southeast of the ...
The Tualatin River flows mainly from the west to the east and leaves the valley in the southeast at West Linn in Clackamas County. Tualatin Valley's geographical center is located southeast of Hillsboro, and the general elevation of the valley is 180 feet (55 m) above sea-level .
Arising at 438 feet (134 m) above sea level, the river loses 428 feet (130 m) in elevation between source and mouth or about 2.3 feet per mile (43 cm per km). The gradient is slightly steeper from the source to Albany than from Albany to Oregon City. At Willamette Falls, the river plunges about 40 feet (12 m).
Lake Missaukee is easily accessible, with the city of Lake City to the east. M-55/M-66 runs along the eastern coastline through Lake City. The larger city of Cadillac is located 15 minutes west. [5] The lake serves as a recreational area for fishing, swimming, and boating, and there are numerous parks and beaches surrounding the lake.
Lake Allegan is a man-made lake located in Valley Township just outside the city of Allegan in the U.S. state of Michigan (Allegan County). The water is safe for swimming and boating. [ 1 ] The lake has a large surface area of almost 1,600 acres (2.5 mi 2 , 6.475 km 2 ).