Conway Lake, New Hampshire, USA

Lake Locations:

USA - New England - New Hampshire - White Mountains -

Conway Lake is a hidden treasure nestled in the towns of Conway and Eaton, east of the White Mountains in New Hampshire. Careful conservation efforts and building policies ensure that the lake will maintain its quiet, private nature far into the future. Its location in the shadow of the White Mountains guarantees that visitors and homeowners will have access to almost every outdoor recreation opportunity imaginable.

Stretching four miles long and just under a mile and a half wide, Conway Lake covers 1,316 acres in Carroll County. Snowy Brook is the lake’s primary inflow; Mill Brook, a tributary of the Saco River, is the lake’s outflow. It is a natural lake that was enlarged by a dam in the early 1800’s. The 200 foot long, 17 foot high earth embankment dam is at the north end of Conway Lake.

The history of Conway was shaped by water. By 1817, records state that there were ten mills of various kinds around Conway Lake, and the coming of the railroad in 1865 brought increased prosperity. Lumbermen used Conway Lake to float logs to the sawmills where they were processed before being sent on freight cars to Portsmouth and other destinations. Today Conway and the nearby town of Eaton have shops, restaurants, outdoor outfitters and any amenity a visitor might need. There is real estate available for sale in both towns with vacation rentals and residential development on the shores of the lake. Conway Lake, however, is a closely guarded secret and lakeside development is carefully managed, so real estate is at a premium.

A public boat launch provides access for boating, sailing, and waterskiing. Conway Lake is full of fish, including rainbow trout, largemouth bass, and smallmouth bass. The New Hampshire Department of Fish and Game manages the lake for landlocked salmon. Conway Lake is classified as oligo-mesotrophic with very clean water. Both public and private beaches provide access to the lake for swimming.

It is a short drive from Conway Lake to the White Mountain National Forest. Straddling parts of Maine and New Hampshire, the forest was established on May 16, 1918. It includes Mt. Washington, the highest peak east of the Mississippi River and north of the Smoky Mountains. Trails for mountain biking and hiking cross the forest, and hunting and fishing are allowed in season. Several campgrounds in the forest offer a variety of overnight accommodations. The Kancamagus Scenic Byway is a 34-mile long drive crossing through the center of the forest, providing picturesque sites including an occasional moose. For the more adventurous, Tuckerman Ravine offers a chance for backcountry skiing. Downhill skiing, cross country skiing and a variety of winter sports are available in the White Mountain National Forest.

To the west of Conway Lake, Echo Lake State Park is a fantastic day trip. The 118-acre park provides plenty of opportunity for hiking, biking, and fishing. It is best known, however, for its rock climbing. Cathedral Ledge rises 700 feet above Echo Lake and draws climbers from around the world to rock climb and ice climb New Hampshire’s granite.

Surrounded with all the White Mountains have to offer, Conway Lake is sure to call visitors far into the future. Careful conservation practices and limited building will ensure it remains a treasure for future generations to enjoy.

Things to do at Conway Lake

  • Vacation Rentals
  • Fishing
  • Boating
  • Sailing
  • Swimming
  • Beach
  • Water Skiing
  • Camping
  • Campground
  • Hiking
  • Rock Climbing
  • Ice Climbing
  • Biking
  • Downhill Skiing
  • Cross-Country Skiing
  • Hunting
  • State Park
  • National Forest

Fish species found at Conway Lake

  • Bass
  • Black Bass
  • Largemouth Bass
  • Rainbow Trout
  • Salmon
  • Smallmouth Bass
  • Trout

Conway Lake Photo Gallery

Conway Lake Statistics & Helpful Links

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Lake Type: Natural Freshwater Lake, Dammed

Water Level Control: Town of Conway

Surface Area: 1,316 acres

Normal Elevation (Full Pond): 437 feet

Average Depth: 15 feet

Maximum Depth: 45 feet

Trophic State: Oligo-mesotrophic

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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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