Tenmile Lake, Oregon, USA

Lake Locations:

USA - West - Oregon - The Coast -

Also known as:  North Tenmile Lake

Tenmile Lake is a large, recreational lake near the city of Lakeside in Coos County, Oregon. Tenmile Lake is actually two lakes, North Tenmile Lake and (South) Tenmile Lake, which are connected by a short canal. The lakes were formed by sand dunes during glacial activity which created an impoundment on Tenmile Creek. Today, the two lakes combined offer 1,958 acres of pristine water for a wide range of outdoor activities. The Oregon Department of Fish and Wildlife stocks Tenmile Lake several times a year with hatchery-bred trout to ensure great fishing on the lake. Ocean fishing is only a few miles away in Winchester Bay where you can launch your own boat at a public ramp or rent or charter a boat from local marinas.

Much of Tenmile Lake’s shoreline is developed with residential homes. A day use area located on southern Tenmile Lake provides boat ramps, docks, a fishing pier, and a fish cleaning station for those visiting the lake. It is also a great place for family fun with gazebos, picnic areas, playing fields, and ample parking. One of the main attractions of the clear, blue water is its fish. For many years Tenmile Lake has been deemed one of the best bass fishing lakes in the state. Local and regional bass clubs have been holding tournaments on the lakes for years. Salmon, steelhead, rainbow trout, bullhead, perch, crappie, and bluegill can also be found in the lake. Tenmile Creek, which flows out through the southern Tenmile Lake to the Pacific Ocean, is perfect for salmon, steelhead, sea-run cut throat, and Chinook. The Chinook begin running up stream from the ocean in September and continue through November, followed by steelhead. In the spring, the creeks fill up again as the fish make their return trip to the sea. In addition to fishing, Tenmile Lake offers crystal clear water for boating, swimming, sailing, waterskiing, and paddling.

Accommodations on Tenmile Lake can be found in the form of a few lodges and private vacation rentals. The town of Lakeside, which sits on the northern arm of Tenmile Lake, has hotels and additional vacation rental homes. For campers, there are several RV parks in the area with all the amenities. Tent camping and wooded, spacious campgrounds can be found within a short drive of the lake in state parks and private campgrounds, some with ocean views.

For the outdoor enthusiast, there are mile after mile of hiking trials, cycling paths, sand dunes and state land to explore. The Umpqua Lighthouse State Park is just south of Tenmile Lake and is centered on a stretch of towering sand dunes protected by the Oregon Dunes National Recreation Area. Many of the wind-sculpted dunes reach heights of 500 feet or more. The Oregon Dunes National Recreation Area extends for 40 miles along the Oregon coast. Formed by the forces of wind, water and time, these dunes are like no others in the world. The dunes are the largest expanse of coastal sand dunes in North America, and they hold numerous opportunities for adventure. The Recreation Area offers unlimited opportunities for off-highway vehicle use, hiking, photography, fishing, canoeing, horseback riding and camping. The Umpqua River Lighthouse sits at the entrance to Winchester Bay. The 65-foot tower and adjacent museum are operated and maintained by the Douglas County Parks Department.

Tenmile Lake offers a myriad of activities for lake lovers and ocean lovers alike. Fish for trophy-size bass, climb sand dunes for a scenic view of the ocean, or relax in the peace and solitude of your campground near the water. A vacation on Tenmile Lake can be as varied as the area itself with activities that are sure to please everyone.

Things to do at Tenmile Lake

  • Vacation Rentals
  • Fishing
  • Boating
  • Sailing
  • Swimming
  • Canoeing
  • Kayaking
  • Water Skiing
  • Camping
  • Campground
  • Picnicking
  • Hiking
  • Biking
  • Horseback Riding
  • Wildlife Viewing
  • State Park
  • Museum

Fish species found at Tenmile Lake

  • Bass
  • Bluegill
  • Chinook Salmon
  • Crappie
  • Perch
  • Rainbow Trout
  • Salmon
  • Steelhead Trout
  • Sunfish
  • Trout

Tenmile Lake Photo Gallery

Tenmile Lake Statistics & Helpful Links

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Trophic State | LakeLubbers

Trophic State measures the level of algae and nutrients in a lake.

An oligotrophic lake is very clear (blue in color) and does not support much plant or fish life. A hyper-oligotrophic lake is the clearest of all lakes, and is nearly devoid of plants and fish.

A mesotrophic lake is slightly green and supports a moderate degree of plant and fish life. A lake's most desired trophic state is generally this mid-point - the mesotrophic state.

A eutrophic lake is somewhat murky and supports a large amount of plant and fish life. A hypereutrophic lake is clouded with algae, plant life, and fish life. A eutrophic or hyper-eutrophic lake can be difficult to navigate by boat - and is often an unpleasant place to swim.

The use of phosphorus-rich and nitrogen-rich fertilizer on lawns and golf courses surrounding a lake can cause it to become eutrophic or hypereutrophic.


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Catchment or Drainage Area | LakeLubbers

This is the surrounding area that drains into a lake, including land, rivers and their tributaries. This is also known as the lake's "catchment basin".

Small lakes at the highest peaks of mountains have small drainage areas. The world's oceans have the largest drainage areas.


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Lake-Area Population | LakeLubbers

This is the estimated number of people who live in a house with a view of a lake, plus those who self-describe the lake as their home, for example: "I live at Smith Mountain Lake."


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Water Residence Time | LakeLubbers

This is the estimated time that it takes for an amount of water equal to the entire volume of a lake to flow out of - or evaporate from - the lake.

Residence Time can be as short as a few days for fast-flowing small lakes, and can exceed 100 years for slow-flowing large lakes.


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Completion Year | LakeLubbers

This is the year that a reservoir was first filled to the reservoir's normal elevation - or the year that a natural lake was first dammed. A large reservoir can take more than a year to fill after its dam is first closed.

The Grand Anicut in southern India is generally considered the world's oldest dam that still operates. Grand Anicut was constructed in the second century BC. It now impounds an irrigation network that includes roughly one million acres.

You can find many of the the world's newest reservoirs on LakeLubbers. Many of the world's oldest reservoirs appear on the last page of that list.


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Water Volume | LakeLubbers

This is the estimated volume of water that a lake contains -- measured at the lake's normal elevation. By this measure, the world's largest freshwater lake is Siberia's Lake Baikal.

You can find many of the the world's largest lakes (by water volume) on LakeLubbers.

Water Volume can be measured in acre-feet, in cubic miles, or in cubic kilometers. One acre-foot is the amount of water needed to cover one acre (43,560 square feet) to a depth of one foot. One cubic mile equals 3,379,200 acre-feet. One cubic kilometer equals 810,713 acre-feet.

1 acre-foot is equal to 325,851 US gallons. Siberia's Lake Baikal contains about 6,276,367,740,000,000 gallons of freshwater - nearly 1 million gallons for every living person on earth.

The other - and more widely used - measure of a lake's size is the lake's surface acreage. By that measure, the world's largest freshwater lake is North America's Lake Superior.


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Maximum Depth | LakeLubbers

This is the estimated greatest depth of the water in a lake -- measured at the lake's normal elevation. The world's deepest lake is Siberia's Lake Baikal; that lake's maximum depth is estimated at 5,314 feet.

You can find many of the the world's deepest lakes on LakeLubbers. If you select the last page of that list, you will find the (maximum depth of) the shallowest lakes in our database.


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Average Depth | LakeLubbers

This is the estimated average depth of the water in a lake -- measured at the lake's normal elevation. If the water volume and surface area of a lake are known, an estimate of the lake's average depth can be calculated:

Water volume ÷ Surface Area = Average Depth

Example: 1,000,000 acre-feet ÷ 20,000 acres = 50 feet average depth


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Maximum Elevation | LakeLubbers

This is a lake's highest water level, measured by the lake's surface distance above sea level, that can occur during flooding. A lake's highest possible maximum elevation is usually the top of the lake's dam or spillway.

At lakes that include residential development, government regulations usually forbid the construction of homes below a lake's maximum elevation.


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Minimum Elevation | LakeLubbers

This is a lake's lowest water level, measured by the lake's surface distance above sea level, that can be reasonably expected to occur. Low lake levels can occur due to deliberate seasonal draw downs for irrigation or impending snow melt, reduced water inflows, drought and evaporation, residential or commercial water demands, and hydropower generation.

Some lakes' minimum and maximum elevations are virtually the same. Lakes that generate hydropower may vary by several feet - according to power demand. Lakes whose primary purpose is to prevent flooding can seasonally vary by 100 feet or more.

When some lakes reach their minimum elevation, their boat ramps may not be long enough to permit boat access - and boats docked on shallow parts of the lake may end up on dry ground. In those cases, kayakers and shore-based anglers may be among the few happy recreational users of the lake.


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Normal Elevation | LakeLubbers

This is a lake's normal water level, measured by the lake's surface distance above sea level. For a reservoir, this water level is also known as "full pond" or "full pool".

You can find many of the world's highest-elevated lakes on LakeLubbers. Lakes with the lowest elevations (known by LakeLubbers) are shown on the final page of that list.


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Shoreline Length | LakeLubbers

This is the length of the exterior shoreline around a lake - measured at the lake's normal elevation. The shoreline length can be considerably shorter or longer when lake water levels are lower or higher than normal.

A lake with many coves has a much longer shoreline than a lake of similar surface area that is nearly circular in shape.

When known, the shoreline miles that we report in our statistics include only the lake's exterior shoreline, and exclude the shorelines of islands located within a lake's boundaries. In lakes with many islands, those islands' combined shorelines may exceed a lake's exterior shoreline.

You can find many of the world's longest-shoreline lakes on Lakelubbers.


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Surface Area | LakeLubbers

This is the area (acreage, square kilometers, etc.) of the top surface area of a lake - measured at a lake's normal elevation. The surface area can be considerably smaller or larger when lake levels are lower or higher than normal. North America's Lake Superior is the world's largest freshwater lake by this measure.

The other measure of a lake's size is the lake's water volume. By that measure, the world's largest freshwater lake is Lake Baikal in Siberia.

You can find many of the world's largest lakes (acres) on Lakelubbers. There is no widely-accepted minimum surface area that defines a lake. What Lakelubbers describes as a lake, you might call a pond. The smallest lake that Lakelubbers currently includes is Hawaii's 2-acre Lake Waiau.


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Water Level Control | LakeLubbers

This is the organization that controls water releases or outflows from the lake or reservoir. In the USA, this is often the US Army Corps of Engineers, a power company, a municipal water system, an irrigation district, or a paper manufacturing company. In the case of private or gated lakes, a homeowners' association may be the lake's controlling authority.

Many lakes cross borders, including North America's Great Lakes. The control of such lakes and their coveted freshwater may be amicably shared - or hotly disputed.

"Water wars" continue at many lakes as growing populations and crop irrigation needs compete for the freshwater that lakes contain.


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Lake Type | LakeLubbers

There are 3 basic types of lakes that are currently included on LakeLubbers. 2 types may be dammed or not dammed, producing 5 classifications.

- A Reservoir is a man-made freshwater lake that is usually created by damming rivers.

- A Natural Freshwater Lake occurs naturally - often by glacial activity - and has a salinity of less than 30 parts per thousand. It may be dammed to produce electricity or for other reasons.

- A Natural Saltwater Lake occurs naturally and has a salinity of more than 30 parts per thousand (ppt). It may be dammed.

"Brackish" water may be categorized as freshwater or saltwater, depending on its salt content (salinity). Oligohaline water has less than 15 ppt of salt. Mesohaline water has 15-29 ppt. Polyhaline has 30-335 ppt.


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