Kachess Lake, Washington, USA

Lake Locations:

USA - West - Washington - North Central Washington -

“Kachess” means “more fish,” a name that aptly describes Lake Kachess in North Central region of Washington. The lake is full of fish, and anglers can pit themselves against the rainbow and cutthroat trout and wrestle the landlocked kokanee salmon. The fishing, however, is not the only thing that brings people to this beautiful Kittitas County lake. Nestled in the Wenatchee National forest, Lake Kachess offers year round recreation.

The lake, also known as Kachess Lake, is part of the US Bureau of Reclamation’s Yakima Project. The Yakima Project is a collection of storage reservoirs designed to provide irrigation water for 464,000 acres of land. As a result Yakima County, which receives water from the project, has become some of the most fertile farm land in the country. In fact, of all the counties in the United States, Yakima County is number one in the production of mint, apples, and hops. Kachess Lake runs north and south following the path of the Kachess River which makes up both its inflow and outflow. It is a natural lake, but in 1902 the Cascade Canal Company built a dam on the lake. The US government took control of that dam in 1907, and in 1910 the US Bureau of Reclamation started construction on a new dam. The Kachess Dam was completed in 1912 and still controls the lake’s water level today. Lake levels drop slightly in late summer.

With over 6,500 acres of water there is plenty of room to boat, water ski, and jet ski. Public access to Lake Kachess is from a National Forest Service (NFS) boat ramp. The boat ramp is in a NFS campground which is located at the narrows south of what is known as Little Kachess Lake. The campground has places to picnic, and some lakeside campsites. The Little Kachess Lake Trail starts in the campground and is used for both hiking and mountain biking. In early spring the trail is surrounded by wildflowers as it winds around Little Kachess Lake. Hikers can scramble up moss covered boulders to look down on the lake or look back over calypso and rattlesnake orchids and Indian paintbrush. Little Kachess Lake gets less power boat traffic so it is a great place to canoe and kayak.

Kachess Lake is in the Wenatchee portion of the Okanogan – Wenatchee National Forest. The over four million acres forest runs from the Canadian border to the north to the Goat Rocks Wilderness in the south. Established in 1908, the Wenatchee National Forest offers both a wide range of recreation activities and a very diverse landscape. There are glaciated peaks for climbing and hiking along with old growth forests and valleys for hunting and exploring.

Lake Kachess is a few miles from Easton and about an hour from Seattle. There are restaurants and shops within an easy drive. In the winter, visitors can cross country ski and snowmobile near Lake Kachess. Mount Rainier National Park is a fantastic day trip from Lake Kachess. Mount Rainier stands 14,410 feet high and is an active volcano. Its snow covered peak is a spectacular backdrop to the rest of the park. Visitors can hike through fields of alpine wildflowers as they climb higher and higher towards the top. There are routes for beginning hikers and experienced mountaineers, all with the breath taking views that draw two million visitors a year.

After a day spent hiking in Washington’s beautiful snow capped mountains or playing on the water, there are plenty of vacation rentals available including some right on Lake Kachess. For visitors who fall in love with the area and want to extend their stay, there is real estate for sale both on the lake and in nearby Easton. With its majestic setting, fish-filled water and proximity to Seattle, it’s easy to see why someone would fall in love with Kachess Lake either for the day or for a lifetime.

Things to do at Kachess Lake

  • Vacation Rentals
  • Fishing
  • Boating
  • Canoeing
  • Kayaking
  • Jet Skiing
  • Water Skiing
  • Camping
  • Campground
  • Picnicking
  • Hiking
  • Biking
  • Snowmobiling
  • Hunting
  • National Park
  • National Forest

Fish species found at Kachess Lake

  • Cutthroat Trout
  • Kokanee Salmon
  • Salmon
  • Trout

Kachess Lake Photo Gallery

Kachess Lake Statistics & Helpful Links

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Lake Type: Natural Freshwater Lake, Dammed

Water Level Control: Bureau of Reclamation

Surface Area: 6,535 acres

Shoreline Length: 24 miles

Normal Elevation (Full Pond): 2,262 feet

Water Volume: 239,000 acre-feet

Completion Year: 1912

Drainage Area: 63 sq. miles

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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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