North Tenmile Lake is one of a chain of lakes along the

Oregon Coast The Oregon Coast is a coastal region of the U.S. state of Oregon. It is bordered by the Pacific Ocean to its west and the Oregon Coast Range to the east, and stretches approximately from the California state border in the south to the Columbia ...

south of the

Umpqua River The Umpqua River ( ) on the Pacific coast of Oregon in the United States is approximately long. One of the principal rivers of the Oregon Coast and known for bass and shad, the river drains an expansive network of valleys in the mountains west ...

in the United States. The chain includes Tenmile,

Eel Eels are ray-finned fish belonging to the order Anguilliformes (), which consists of eight suborders, 19 families, 111 genera, and about 800 species. Eels undergo considerable development from the early larval stage to the eventual adult stage ...

, Clear, and smaller lakes, which drain into the

Pacific Ocean The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...

via Tenmile Creek. The lake is south of

Reedsport Reedsport is a city in Douglas County, Oregon, United States. As of the 2020 census, the population was 4,310. History Reedsport was established on the estuary of the Umpqua River on January 7, 1852. It was named for a local settler, Alfred ...

and east of

U.S. Route 101 U.S. Route 101, or U.S. Highway 101 (US 101), is a north–south United States Numbered Highway that runs through the states of California, Oregon, and Washington, on the West Coast of the United States. It is also known as (The Royal Roa ...

near the community of

Lakeside Lakeside or Lake Side may refer to: Places Australia * Lakeside College, Pakenham, Victoria * Lakeside Joondalup Shopping City, Joondalup, Western Australia * Lakeside, near Reservoir, Victoria * Lakeside International Raceway, Pine Rivers, Quee ...

. North Tenmile Lake is connected to Tenmile Lake by a navigable channel. North Tenmile Lake is named after the creek, which is about south of

Winchester Bay Winchester Bay is an unincorporated community in Douglas County, Oregon, United States. For statistical purposes, the United States Census Bureau has defined Winchester Bay as a census-designated place (CDP). The census definition of the area may ...

. This community, at the mouth of the Umpqua River, was the earliest

pioneer Pioneer commonly refers to a settler who migrates to previously uninhabited or sparsely inhabited land. In the United States pioneer commonly refers to an American pioneer, a person in American history who migrated west to join in settling and dev ...

village along this part of the coast.

Geology and history

The lakes in the Tenmile Creek watershed formed after

rising sea levels Rising may refer to: * Rising, a stage in baking - see Proofing (baking technique) *Elevation * Short for Uprising, a rebellion Film and TV * "Rising" (''Stargate Atlantis''), the series premiere of the science fiction television program ''Starga ...

, driven by

post-glacial The Holocene ( ) is the current geological epoch. It began approximately 11,650 cal years Before Present (), after the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene togethe ...

warming, inundated the lower reaches of the creek and its tributaries.

Sand dune A dune is a landform composed of wind- or water-driven sand. It typically takes the form of a mound, ridge, or hill. An area with dunes is called a dune system or a dune complex. A large dune complex is called a dune field, while broad, fl ...

s that later formed along the coast altered the region's drainage patterns and led to a string of lakes at varied elevations within the Tenmile basin. In the early 20th century, North Tenmile Lake was a cold-water fishery that supported large populations of

coastal cutthroat trout The coastal cutthroat trout (''Oncorhynchus clarkii clarkii''), also known as the sea-run cutthroat trout, blue-back trout or harvest trout, is one of the several subspecies of cutthroat trout found in Western North America. The coastal cutthroa ...

salmon Salmon () is the common name for several list of commercially important fish species, commercially important species of euryhaline ray-finned fish from the family (biology), family Salmonidae, which are native to tributary, tributaries of the ...

, and

steelhead Steelhead, or occasionally steelhead trout, is the common name of the anadromous form of the coastal rainbow trout or redband trout (O. m. gairdneri). Steelhead are native to cold-water tributaries of the Pacific basin in Northeast Asia and N ...

. However, the watershed was gradually altered by logging, farming, stream channeling, and the introduction of invasive fish species such as

yellow perch The yellow perch (''Perca flavescens''), commonly referred to as perch, striped perch, American perch, American river perch or preacher is a freshwater perciform fish native to much of North America. The yellow perch was described in 1814 by Samu ...

and

brown bullhead The brown bullhead (''Ameiurus nebulosus'') is a fish of the family Ictaluridae that is widely distributed in North America. It is a species of bullhead catfish and is similar to the black bullhead (''Ameiurus melas'') and yellow bullhead (''Ame ...

. Attempts to restore the cold-water fishery, including poisoning Eel, Tenmile and North Tenmile lakes with

rotenone Rotenone is an odorless, colorless, crystalline isoflavone used as a broad-spectrum insecticide, piscicide, and pesticide. It occurs naturally in the seeds and stems of several plants, such as the jicama vine plant, and the roots of several member ...

in 1968, all failed.

Bluegill The bluegill (''Lepomis macrochirus''), sometimes referred to as "bream", "brim", "sunny", or "copper nose" as is common in Texas, is a species of North American freshwater fish, native to and commonly found in streams, rivers, lakes, ponds and ...

and

largemouth bass The largemouth bass (''Micropterus salmoides'') is a carnivorous freshwater gamefish in the Centrarchidae ( sunfish) family, a species of black bass native to the eastern and central United States, southeastern Canada and northern Mexico, but ...

are among species that have since dominated the fishery.

Recreation

North Tenmile Lake and Tenmile Lake combined have been called "a premier largemouth bass fishery." In addition to largemouth bass, the shallow

dendritic Dendrite derives from the Greek word "dendron" meaning ( "tree-like"), and may refer to: Biology *Dendrite, a branched projection of a neuron *Dendrite (non-neuronal), branching projections of certain skin cells and immune cells Physical * Dendr ...

lakes with their complicated shorelines support populations of brown bullhead, bluegill,

black crappie The black crappie (''Pomoxis nigromaculatus'') is a freshwater fish found in North America, one of the two types of crappies. It is very similar to the white crappie in size, shape, and habits, except that it is darker, with a pattern of black sp ...

, coastal cutthroat trout, and stocked rainbow trout. Bass-catching tournaments are common at these lakes, and experts are able to catch 20 to 50 largemouth a day that weigh . The two lakes, connected by the North Lake Canal, are used for boating,

waterskiing Water skiing (also waterskiing or water-skiing) is a Surface water sports, surface water sport in which an individual is pulled behind a boat or a Cable skiing, cable ski installation over a body of water, skimming the surface on two skis or ...

, and swimming, as well as fishing. In Lakeside, near the outlet of Tenmile Lake, Coos County manages Tenmile Lakes Park. It has boat ramps, docks, a fish-cleaning stand, picnic tables,

horseshoe A horseshoe is a fabricated product designed to protect a horse hoof from wear. Shoes are attached on the palmar surface (ground side) of the hooves, usually nailed through the insensitive hoof wall that is anatomically akin to the human toen ...

courts, restrooms, and other amenities. A campground in the park accommodates

recreational vehicle A recreational vehicle, often abbreviated as RV, is a motor vehicle or trailer that includes living quarters designed for accommodation. Types of RVs include motorhomes, campervans, coaches, caravans (also known as travel trailers and camper ...

s (RVs) and tents.

References

{{authority control Lakes of Oregon Lakes of Coos County, Oregon Lakes of Douglas County, Oregon

Geology and history

Recreation

See also

References