Geography of Belknap County, New Hampshire

By | March 11, 2024

Geography of Belknap County, New Hampshire:

Belknap County, located in the central part of the state of New Hampshire, United States, is characterized by its diverse geography, including picturesque lakes, rolling hills, and scenic rivers. Understanding the geography, climate, rivers, lakes, and other features of Belknap County is essential for appreciating the unique environment and culture of this area. Check behealthybytomorrow for climate in Londonderry, New Hampshire.

Geographical Features:

Belknap County covers an area of approximately 469 square miles (1,214 square kilometers) and is bordered by several other counties, including Grafton County to the north, Merrimack County to the south, and Carroll County to the east. The county is situated within the Lakes Region of New Hampshire, known for its abundant water bodies and natural beauty.


One of the defining geographical features of Belknap County is its numerous lakes, which dot the landscape and provide opportunities for recreation and outdoor activities. The largest and most famous of these lakes is Lake Winnipesaukee, which covers an area of approximately 71 square miles (184 square kilometers) and is the largest lake in New Hampshire.

Lake Winnipesaukee is a popular destination for boating, fishing, swimming, and water sports, with several marinas, beaches, and public access points located along its shoreline. The lake is also home to several islands, including Governors Island, Bear Island, and Rattlesnake Island, which offer opportunities for camping and exploration.

In addition to Lake Winnipesaukee, Belknap County is also home to several other smaller lakes and ponds, including Lake Winnisquam, Newfound Lake, and Squam Lake. These lakes provide habitat for a variety of fish species, including bass, trout, and perch, making them popular destinations for anglers.

Mountains and Hills:

Belknap County’s landscape is characterized by rolling hills, forested mountains, and scenic vistas, which offer opportunities for hiking, camping, and outdoor recreation. The county is home to several prominent peaks, including Mount Major, Mount Rowe, and Gunstock Mountain, which provide panoramic views of the surrounding countryside.

The Belknap Mountain Range, after which the county is named, is a small subrange of the White Mountains and is located in the eastern part of the county. The range is known for its rocky summits, alpine vegetation, and diverse wildlife, including black bears, moose, and deer.

Rivers and Streams:

Belknap County is crisscrossed by several rivers and streams, which flow through the valleys and provide habitat for aquatic plants and animals. The most notable of these rivers is the Winnipesaukee River, which flows from Lake Winnipesaukee through the county before joining the Merrimack River in the south.

The Winnipesaukee River provides opportunities for fishing, kayaking, and scenic paddling adventures, with several access points and boat launches located along its course. The river is known for its clear water, rocky rapids, and abundant wildlife, including bald eagles, ospreys, and herons.


Belknap County experiences a humid continental climate with four distinct seasons, including warm summers, cold winters, and moderate precipitation throughout the year. The region’s climate is influenced by its location within the interior of the United States and its proximity to the Atlantic Ocean.

Summer temperatures in Belknap County can be warm and humid, with average highs ranging from the 70s to the 80s Fahrenheit (21 to 27 degrees Celsius). Heatwaves are common during the summer months, with temperatures occasionally reaching into the 90s Fahrenheit (32 degrees Celsius) or higher.

Winter temperatures in Belknap County are generally cold, with average highs in the 20s and 30s Fahrenheit (about -6 to 4 degrees Celsius) and lows dropping below freezing. Snowfall is common during the winter months, with the county receiving an average of 50 to 70 inches (127 to 178 centimeters) of snow annually.

Spring and fall are transitional seasons marked by fluctuating temperatures and changing weather patterns. Spring brings blooming flowers, melting snowpack, and the return of migratory birds, while fall is characterized by cooler temperatures, falling leaves, and vibrant foliage colors.

Vegetation and Wildlife:

The diverse geography and climate of Belknap County support a wide variety of vegetation and wildlife, ranging from hardwood forests and wetlands to grasslands and riparian habitats. The county is home to numerous plant and animal species, many of which are adapted to the unique habitats of the Lakes Region.

Belknap County’s forests are dominated by hardwood trees such as maple, oak, and birch, as well as conifers like pine and hemlock. These forests provide important habitat for a variety of wildlife, including white-tailed deer, wild turkeys, songbirds, and small mammals.

The county’s lakes, rivers, and wetlands also support a diverse array of aquatic plants and animals, including fish, amphibians, waterfowl, and migratory birds. Lake Winnipesaukee, in particular, provides critical habitat for spawning fish, nesting waterfowl, and other wildlife, making it an important area for conservation and environmental protection.

Human Impact:

Over the years, human activity has shaped the landscape and culture of Belknap County, from Native American settlements and colonial homesteads to modern tourism and outdoor recreation. The county’s rich history and cultural heritage are evident in its historic landmarks, museums, and preserved natural areas.

Today, Belknap County is home to a mix of small towns, rural communities, and tourist destinations, with a strong emphasis on outdoor recreation, hospitality, and environmental stewardship. The county’s economy relies heavily on industries such as tourism, hospitality, and retail, as well as healthcare, education, and manufacturing.

Efforts to conserve and protect Belknap County’s natural resources are ongoing, with initiatives aimed at sustainable land use, wildlife habitat preservation, and environmental education. Lake Winnipesaukee and other natural areas are managed for conservation and recreation, ensuring that future generations can enjoy the county’s scenic beauty and ecological diversity.

In conclusion, Belknap County, New Hampshire, offers a diverse and dynamic landscape characterized by its picturesque lakes, rolling hills, and scenic rivers. With its unique geography, four-season climate, and rich natural resources, the county provides opportunities for outdoor recreation, exploration, and appreciation of the natural world. By embracing responsible stewardship and sustainable development practices, Belknap County can continue to thrive as a vibrant and resilient community in the heart of the Lakes Region.