The Mattole River is a river on the north coast of California. The river briefly flows through upper Mendocino County, but the vast majority of its 62-mile run is through Humboldt County. The river and its 74 tributaries drain about 304 square miles, including the eastern side of the King Range, and flows through Mattole Valley before emptying into the Pacific Ocean. For most of its length, the river is only a few miles east of the King Range National Conservation Area and about halfway to the ocean, near Honeydew, California, it passes by Humboldt Redwoods State Park. The Murray River in Australia. ... Official language(s) English Capital Sacramento Largest city Los Angeles Area Ranked 3rd - Total 158,302 sq. ... Mendocino County is a county located on Californias north coast, north of the San Francisco Bay Area and Sonoma County and west of the Central Valley. ... Humboldt County is a county located on the northwest coast of California, USA, on the Pacific Ocean. ... The King Range is a mountain range of northern coastal California. ... Honeydew, CA is a small town of less than 1,000 residents, located 15 miles from the Pacific Ocean on what is known as The Lost Coast. The town is located in Southern Humboldt County, and is comprised of little more than a general store, elementary school, post office, with... Humboldt Redwoods State Park in Humboldt County, northern California, 30 miles (50 km) south of Eureka, California. ...
The MattoleRiver originates in northern Mendocino County, and flows in a northwesterly direction until it nears the town of Petrolia, where it takes a notable turn and meanders through a broad east-west trending valley.
The main stem of the Mattole is approximately 65 miles (100 km) long, and drains a watershed area of approximately 304 square miles, fed by over 74 tributary streams.
River systems are dynamic - they are the link between erosion of upslope lands, the creation of alluvial floodplains, transport of eroded materials to the ocean, and habitats for aquatic organisms.