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Lake Francis (Murphy Dam) facts for kids

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Lake Francis
Lake Francis in Pittsburg, New Hampshire, August 2019.jpg
Lake Francis as seen from U.S. Route 3 along its northern shore
Location of Lake Francis in New Hampshire, USA.
Location of Lake Francis in New Hampshire, USA.
Lake
Francis
Location in New Hampshire
Location of Lake Francis in New Hampshire, USA.
Location of Lake Francis in New Hampshire, USA.
Lake
Francis
Location in the United States
Location Coos County, New Hampshire
Coordinates 45°2′24″N 71°19′48″W / 45.04000°N 71.33000°W / 45.04000; -71.33000
Type Reservoir
Etymology Francis P. Murphy
Primary inflows Connecticut River
Primary outflows Connecticut River
Basin countries United States
Max. length 5.4 mi (8.7 km)
Max. width 1.3 mi (2.1 km)
Surface area 1,934 acres (783 ha)
Average depth 40 feet (12 m)
Max. depth 82 feet (25 m)
Surface elevation 1,379 ft (420 m)
Settlements Pittsburg; Clarksville

Lake Francis is a large reservoir located in northern New Hampshire, United States. A reservoir is like a big, artificial lake that stores water. This lake is part of the Connecticut River, which is a very important river in the region.

You can find Lake Francis in Coos County. It's situated just east of the village of Pittsburg. The lake also sits right on the border between Pittsburg and another town called Clarksville.

About Lake Francis

Lake Francis was created by a special structure called Murphy Dam. This dam was built in 1940. Its main purpose was to help control floods, which means it stops too much water from overflowing and causing damage.

The dam is made of earth and stands about 117-foot (36 m) tall. It is owned by the state's Department of Environmental Services. A company called TC Energy helps to operate the dam.

Naming the Lake

Both Lake Francis and Murphy Dam are named after a person! They honor Francis P. Murphy. He was the Governor of New Hampshire from 1937 to 1941.

Lake Size and Depth

Lake Francis is quite large. It covers almost 2,000 acres (8 km2) of land. That's a lot of space! The lake can hold a huge amount of water, about 131,375 acre-feet (162,049,000 m3).

When it comes to depth, the lake is about 40 feet (12 m) deep on average. But in some spots, it can be much deeper, reaching a maximum depth of 82 feet (25 m).

Fishing and Wildlife

Lake Francis is known as a "coldwater fishery." This means its waters are cool enough for certain types of fish to live there. You can find many different kinds of fish in the lake.

Some of the fish you might see include rainbow trout, brown trout, and lake trout. There are also landlocked salmon and chain pickerel.

If you enjoy fishing, there are two public places where you can launch a boat. During the winter, from January through March, people are allowed to go ice fishing on the lake.

Nearby Places to Explore

On the northeast side of Lake Francis, you'll find Lake Francis State Park. This is a great place to visit, especially since the Connecticut River flows into the lake right there.

North of Lake Francis is another body of water called Back Lake. To the northeast, you'll find First Connecticut Lake. This is one of four lakes that are the very beginning of the Connecticut River.

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