Oakridge is a city in Lane County, Oregon, United States. The population was 3,205 as of the 2010 census. It is located east of Westfir on Oregon Route 58, about 40 miles (64 km) east of Eugene and 150 miles (240 km) southeast of Portland. Surrounded by the Willamette National Forest and the Cascade Range, Oakridge is popular with outdoor enthusiasts for its hiking, mountain biking, wildflowers, fly fishing, birding, watersports, and the nearby Willamette Pass Resort.
Westfir is a city in Lane County, Oregon, United States. The population was 253 at the 2010 census. It is located about 40 miles (64 km) southeast of Eugene and about 4 miles (6 km) west of Oakridge in the Willamette National Forest.
The Pudding River is a 62-mile (100 km) tributary of the Molalla River in the U.S. state of Oregon. Its drainage basin covers 528 square miles (1,368 km2). Among its tributaries are Silver Creek, Butte Creek, Abiqua Creek, and the Little Pudding River.
The Molalla River is a 51-mile (82 km) tributary of the Willamette River in the northwestern part of Oregon in the United States. Flowing northwest from the Cascade Range through Table Rock Wilderness, it passes the city of Molalla before entering the larger river near Canby. The Molalla is the largest Willamette tributary unblocked by a dam.
The Clackamas River is an approximately 83-mile (134 km) tributary of the Willamette River in northwestern Oregon, in the United States. Draining an area of about 940 square miles (2,435 km2), the Clackamas flows through mostly forested and rugged mountainous terrain in its upper reaches, and passes agricultural and urban areas in its lower third. The river rises in eastern Marion County, about 55 miles (89 km) east-southeast of Salem. The headwaters are on the slopes of Olallie Butte in the Mount Hood National Forest, about 10 miles (16 km) north of Mount Jefferson, at an elevation of 4,909 feet (1,496 m) in the Cascade Range. The Clackamas flows briefly north and then flows northwest through the mountains, passing through North Fork Reservoir and Estacada. It then emerges from the mountains southeast of Portland. It joins the Willamette near Oregon City and forms the boundary between Oregon City and Gladstone.
The Salmon River, also known as the "River of No Return", is a river located in the U.S. state of Idaho in the western United States. It flows for 425 miles (685 km) through central Idaho, draining a rugged, thinly populated watershed of 14,000 square miles (36,000 km2). The river drops more than 7,000 feet (2,100 m) from its headwaters, near Galena Summit above the Sawtooth Valley in the Sawtooth National Recreation Area, to its confluence with the Snake River. Measured at White Bird, its average discharge is 11,060 cubic feet per second. The Salmon River is the longest undammed river in the contiguous United States.
The John Day River is a tributary of the Columbia River, approximately 284 miles (457 km) long, in northeastern Oregon in the United States. It is known as the Mah-Hah River by the Cayuse people. Undammed along its entire length, the river is the fourth longest free-flowing river in the contiguous United States. There is extensive use of its waters for irrigation. Its course furnishes habitat for diverse species, including wild steelhead and Chinook salmon runs. However, the steelhead populations are under federal Endangered Species Act (ESA) protections, and the Chinook salmon have been proposed for such protection.
The McKenzie River is a 90-mile (145 km) tributary of the Willamette River in western Oregon in the United States. It drains part of the Cascade Range east of Eugene and flows westward into the southernmost end of the Willamette Valley. It is named for Donald McKenzie, a Scottish Canadian fur trader who explored parts of the Pacific Northwest for the Pacific Fur Company in the early 19th century. As of the 21st century, six large dams have been built on the McKenzie and its tributaries.
The Owyhee River is a tributary of the Snake River located in northern Nevada, southwestern Idaho and southeastern Oregon in the Western United States and its Pacific Northwest region. It is 280 miles (450 km) long. The river's drainage basin is 11,049 square miles (28,620 km2) in area, one of the largest subbasins of the Columbia River Basin with its major waterways of the Columbia River and Snake River. The mean annual discharge is 995 cubic feet per second (28.2 m3/s), with a maximum of 50,000 cu ft/s (1,400 m3/s) recorded in 1993 and a minimum of 42 cu ft/s (1.2 m3/s) in 1954.
The Calapooya Mountains are a mountain range in Lane and Douglas counties of southwestern Oregon in the United States. The range runs for approximately 60 miles (97 km) west from the Cascade Range between Eugene on the north and Roseburg on the south.
The Collins River is a 67-mile-long (108 km) stream in the east-central portion of Middle Tennessee in the United States. It is a tributary of the Caney Fork, and is part of the Cumberland, Ohio and Mississippi watersheds. The river drains the scenic Savage Gulf area, located just below the river's source, and empties into Great Falls Lake at Rock Island State Park.
The Willamette National Forest is a National Forest located in the central portion of the Cascade Range of the U.S. state of Oregon. It comprises 1,678,031 acres (6,790.75 km2). Over 380,000 acres are designated wilderness which include seven major mountain peaks. There are also several National Wild and Scenic Rivers within the forest. The forest is named for the Willamette River, which has its headwaters in the forest. The forest's headquarters are located in the city of Springfield. There are local ranger district offices in McKenzie Bridge, Detroit, Sweet Home, and Westfir.
The Mokelumne River is a 95-mile (153 km)-long river in northern California in the United States. The river flows west from a rugged portion of the central Sierra Nevada into the Central Valley and ultimately the Sacramento–San Joaquin River Delta, where it empties into the San Joaquin River-Stockton Deepwater Shipping Channel. Together with its main tributary, the Cosumnes River, the Mokelumne drains 2,143 square miles (5,550 km2) in parts of five California counties. Measured to its farthest source at the head of the North Fork, the river stretches for 157 miles (253 km).
Waldo Lake is a natural alpine lake in the Cascade Mountains of the U.S. state of Oregon. It is the second largest natural non-alkali lake in Oregon with just under 10 square miles (26 km2) of water surface and a maximum depth of 420 feet (130 m). The lake is named after Oregon politician, judge, and conservationist John B. Waldo.
The Collawash River is a 12-mile (19 km) tributary of the Clackamas River in the U.S. state of Oregon. Formed by the confluence of Elk Lake Creek and the East Fork Collawash River in the Cascade Range, it flows generally north-northwest from source to mouth through the Mount Hood National Forest. The largest tributary of the upper Clackamas, it provides about a third of bigger river's low-flow volume. About 35 percent of its watershed of 150 square miles (390 km2) is protected as wilderness.
The Middle Fork Willamette River is one of several forks that unite to form the Willamette River in the western part of the U.S. state of Oregon. It is approximately 115 miles (185 km) long, draining an area of the Cascade Range southeast of Eugene, which is at the southern end of the Willamette Valley.
The Office Bridge is a covered bridge in Westfir, Lane County, Oregon, U.S. crossing the North Fork Middle Fork Willamette River at the south end of the Aufderheide National Scenic Byway and edge of the Willamette National Forest. It is Oregon's longest covered bridge at 180 ft, and is one of only two in the state using triple Howe truss construction. It is the only covered bridge west of the Mississippi River which has a separate pedestrian walkway.
Salt Creek Falls is a cascade and plunge waterfall on Salt Creek, a tributary of the Middle Fork Willamette River, that plunges into a gaping canyon in the Willamette National Forest near Willamette Pass in Lane County, Oregon. The waterfall is notable for its main drop of 286 feet (87 m), ranking third highest among plunge waterfalls in Oregon, after Multnomah Falls and Watson Falls.) The pool at the bottom of Salt Creek Falls waterfall is 66 feet (20 m) deep.
The South Fork Clackamas River is a tributary, roughly 8 miles (13 km) long, of the Clackamas River in the U.S. state of Oregon. Beginning near South Fork Mountain in the western Cascade Range, the river flows generally north through Clackamas County to meet the larger river at Big Cliff. Most of the South Fork's drainage basin lies within the Mount Hood National Forest.
The North Fork Owyhee River is a tributary, about 30 miles (48 km) long, of the Owyhee River in Malheur County, Oregon, and Owyhee County, Idaho, in the United States. It begins on the east flank of the Owyhee Mountains in Idaho and flows generally southwest to meet the main stem at Three Forks, Oregon, 161 miles (259 km) above the confluence of the larger river with the Snake River.
