Newfound Lake is located in Grafton County

Grafton County, New Hampshire

Grafton County is a county located in the U.S. state of New Hampshire. As of the 2010 census, the population was 89,118. Its county seat is North Haverhill, which is a village within the town of Haverhill. Until 1972, the county courthouse and other offices were located in downtown Woodsville, a...

, New Hampshire

New Hampshire

New Hampshire is a state in the New England region of the northeastern United States of America. The state was named after the southern English county of Hampshire. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Atlantic Ocean to the east, and the Canadian...

, USA

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, within the towns of Bridgewater

Bridgewater, New Hampshire

Bridgewater is a town in Grafton County, New Hampshire, United States. The population was 1,083 at the 2010 census.- History :The land comprising Bridgewater was originally part of a town known as New Chester, which was separated into Bridgewater, Bristol, Hill, Danbury, and Wilmot...

, Bristol

Bristol, New Hampshire

Bristol is a town in Grafton County, New Hampshire, United States. The population was 3,054 at the 2010 census. It is home to Wellington State Park, Sugar Hill State Forest, and Profile Falls on the Smith River...

, Alexandria

Alexandria, New Hampshire

Alexandria is a town in Grafton County, New Hampshire, United States. The population was 1,613 at the 2010 census. Newfound Lake is in the northeast corner, with Wellington State Park on the western shore. The town is home to Welton Falls State Forest. Cardigan State Park, with Mount Cardigan,...

, and Hebron

Hebron, New Hampshire

Hebron is a town in Grafton County, New Hampshire, United States. The population was 602 at the 2010 census. Settlements include the town center and the village of East Hebron.- History :...

. The lake is located in a section of New Hampshire known as the Lakes Region

Lakes Region (New Hampshire)

The Lakes Region of New Hampshire is the mid-state region surrounding Lake Winnipesaukee, Winnisquam Lake, Squam Lake, and Newfound Lake.The area is a popular tourist destination in the summer time, with the activity peaking during the annual Motorcycle Week and races at Loudon's New Hampshire...

. At 4,451 acre

Acre

The acre is a unit of area in a number of different systems, including the imperial and U.S. customary systems. The most commonly used acres today are the international acre and, in the United States, the survey acre. The most common use of the acre is to measure tracts of land.The acre is related...

s, it is the third-largest lake located entirely in New Hampshire. The lake's water is refreshed twice-over annually by underground springs

Spring (hydrosphere)

A spring—also known as a rising or resurgence—is a component of the hydrosphere. Specifically, it is any natural situation where water flows to the surface of the earth from underground...

. The lake is about 2½ miles wide and 6 miles (9.7 km) long and has a maximum depth of 183 feet (55.8 m). Major tributaries include the Fowler River

Fowler River

The Fowler River is a river located in central New Hampshire in the United States. It is an inflow to Newfound Lake, part of the Pemigewasset River and therefore Merrimack River watersheds...

 and the Cockermouth River

Cockermouth River

The Cockermouth River is a stream located in central New Hampshire in the United States. It is the longest tributary of Newfound Lake, part of the Pemigewasset River and ultimately Merrimack River watersheds...

. Its outlet is the Newfound River

Newfound River (New Hampshire)

The Newfound River is a river located in central New Hampshire in the United States. It is a tributary of the Pemigewasset River, part of the Merrimack River watershed.The Newfound River begins at the outlet of Newfound Lake in Bristol, New Hampshire...

, flowing into the Pemigewasset River

Pemigewasset River

The Pemigewasset River , known locally as "The Pemi", is a river in the state of New Hampshire, the United States. It is in length and drains approximately...

.

Wellington State Park, containing a large public beach, is located on the lake's west shore in the town of Bristol.