The Bruneau River is a 153-mile-long (246 km) tributary of the Snake River in the western United States, located in Idaho and Nevada. It runs through a narrow canyon cut into ancient lava flows in southwestern Idaho. The Bruneau Canyon, which is up to 1,200 feet (370 m) deep and forty miles (65 km) long, features rapids and hot springs, making it a popular whitewater trip.
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 Youghiogheny River, or the Yough for short, is a 134-mile-long (216 km) tributary of the Monongahela River in West Virginia, Maryland, and Pennsylvania. It drains an area on the west side of the Allegheny Mountains northward into Pennsylvania, providing a small watershed in extreme western Maryland into the tributaries of the Mississippi River. Youghiogheny is a Lenape word meaning "a stream flowing in a contrary direction".
The Cheat River is a 78.3-mile-long (126.0 km) tributary of the Monongahela River in eastern West Virginia and southwestern Pennsylvania in the United States. Via the Ohio River, the Cheat and Monongahela are part of the Mississippi River watershed. Owing to the ruggedness of the surrounding Allegheny Mountains, the Cheat remains largely remote with few settlements or developments along its banks. Its headwaters are in the Cheat-Potomac Ranger District of the Monongahela National Forest.
The Chattooga River is the main tributary of the Tugaloo River.
The Savage River is a 29.5-mile-long (47.5 km) river in Garrett County, Maryland, and is the first major tributary of the North Branch Potomac River from its source. The river was named for 18th-century surveyor John Savage.
The Gauley River is a 105-mile-long (169 km) river in West Virginia. It merges with the New River to form the Kanawha River, a tributary of the Ohio River. The river features numerous recreational whitewater areas, including those in Gauley River National Recreation Area downstream of the Summersville Dam.
The Blackwater River is a 34.3-mile-long (55.2 km) river in the Allegheny Mountains of eastern West Virginia, USA. Via the Black Fork, it is a principal tributary of the Cheat River. Via the Cheat, the Monongahela and the Ohio rivers, it is part of the watershed of the Mississippi River and drains an area of 142 square miles (370 km2). It is a true blackwater stream, owing to spruce and hemlock trees in its watershed, the tannins of which impart a tea or amber color to its water.
The Cherry River is a tributary of the Gauley River in southeastern West Virginia in the United States. Via the Gauley, Kanawha and Ohio rivers, it is part of the watershed of the Mississippi River. The Cherry River drains mostly rural and forested areas and flows for much of its length through the Monongahela National Forest. Throughout its entire length the Cherry goes over a series of whitewater rapids in a mountainous setting.
The Cranberry River is a tributary of the Gauley River located in southeastern West Virginia in the United States. It is a part of the Mississippi River watershed, by way of the Gauley, Kanawha, and Ohio Rivers, draining an area of 74 square miles (192 km2).
The Green River is a dam-release river that flows through the mountains of North Carolina, south of Asheville. The Green has numerous tributaries, but much of its water flows from a confluence with Big Hungry Creek. The Green River is itself a tributary of the Broad River. The river is dammed to form Lake Summit, in Tuxedo, North Carolina, and Lake Adger near Mill Spring, NC. The Green River is named for its deep green color but runs brown after heavy rains.
Tearcoat Creek is an 18.3-mile-long (29.5 km) free-flowing tributary stream of the North River, itself a tributary of the Cacapon River, making it a part of the Potomac River and Chesapeake Bay watersheds. The creek is located in central Hampshire County, West Virginia. Its name is believed to have been derived from the tearing of the coats of British soldiers by low-hanging branches as they forded the stream during either the French and Indian or the American Revolutionary Wars.
The Kettle is an 83.6-mile-long (134.5 km) tributary of the St. Croix River in eastern Minnesota in the United States. Via the St. Croix River, it is part of the watershed of the Mississippi River. The river's English name is due to the large number of large rounded holes (kettles) in the sandstone in and around the river, carved out by the swirling waters of the river. The river's Dakota name Céġa watpa entered into English via the Anishinaabe people's Akiko-ziibi, both meaning "Kettle River".
Piru Creek is a major stream, about 71 miles (114 km) long, in northern Los Angeles County and eastern Ventura County, California. It is a tributary of the Santa Clara River, the largest stream system in Southern California that is still relatively natural.
Rattlesnake Creek is a tributary of Paint Creek, 42.3 miles (68.1 km) long, in south-central Ohio in the United States. Via Paint Creek and the Scioto and Ohio Rivers, it is part of the watershed of the Mississippi River, draining an area of 277 square miles (720 km2). According to the Geographic Names Information System, it has also been known historically as "Rattlesnake Fork."
The Casselman River is a 56.5-mile-long (90.9 km) tributary of the Youghiogheny River in western Maryland and Pennsylvania in the United States. The Casselman River drains an area of 576 square miles.
Pohick Creek is a 14.0-mile-long (22.5 km) tributary stream of the Potomac River in Fairfax County in the U.S. state of Virginia. It takes its name from the Pohick Native American tribe once prevalent in the area.
The Lochsa River is in the northwestern United States, in the mountains of north central Idaho. It is one of two primary tributaries of the Middle Fork of the Clearwater River in the Clearwater National Forest. Lochsa is a Nez Perce word meaning rough water. The Salish name is Ep Smɫí, "It Has Salmon."
The North Fork Eel River is the smallest of four major tributaries of the Eel River in northwestern California in the United States. It drains a rugged wilderness area of about 286 square miles (740 km2) in the California Coast Ranges, and flows through national forests for much of its length. Very few people inhabit the relatively pristine watershed of the river; there are no operational stream gauges and only one bridge that crosses the river, near the boundary between Trinity and Mendocino Counties.
