Abraham Jaquith House

The First Baptist Church of Gilmanton, also known as the Lower Gilmanton Church, is a historic church building on Province Road (New Hampshire Route 107), slightly north of Stage Road, in Gilmanton, New Hampshire. Built in 1842, the church is one of Belknap County's finest Greek Revival churches, and is accompanied by the county's most intact 19th-century horsesheds. The property was listed on the National Register of Historic Places in 1989.

The Smith Meeting House is a historic church at the junction of Meeting House and Governor Roads in Gilmanton, New Hampshire. Built about 1840, it is a well-preserved example of a vernacular 19th-century church building. The building was listed on the National Register of Historic Places in 1998.

Gilmanton is a town in Belknap County, New Hampshire, United States. The population was 3,945 at the 2020 census. Gilmanton includes the villages of Gilmanton Corners and Gilmanton Ironworks. The town became well known in the 1950s after it was rumored that the popular novel Peyton Place, written by resident Grace Metalious, was based on the town.

Gilmanton Academy is a historic school building on Province Road in Gilmanton, New Hampshire. Built in 1894, it is a well-preserved example of a 19th-century academy building, and was one of the last to be built in the state. The building, now housing town offices and the local historical society, was listed on the National Register of Historic Places in 1983.

The Centre Congregational Church is a historic Congregational church on Province Road (New Hampshire Route 107) in Gilmanton, New Hampshire. Built in 1826–27, it is one of the region's best examples of a late Federal-period church. It was listed on the National Register of Historic Places in 1983.

Camp Fatima is a Catholic overnight summer camp located in Gilmanton Iron Works, NH. The camp has a waterfront on the northern shore of Upper Suncook Lake.

The Gilmanton Ironworks Library is a historic library building at 10 Elm Street in the Iron Works village of Gilmanton, New Hampshire. Built in 1916–17, it was the first Colonial Revival library building in Belknap County. The building, still serving as a branch of the Gilmanton public library system, was listed on the National Register of Historic Places in 1989.

Gilmanton Ironworks (alternately Gilmanton Iron Works) is an unincorporated community in the town of Gilmanton in Belknap County, New Hampshire, United States. It is located near the eastern boundary of the town, along a stretch of the Suncook River south of the outlet of Crystal Lake. New Hampshire Route 140 runs through the village, leading east to Alton and west to the center of Gilmanton and then Belmont. The Gilmanton Ironworks ZIP code (03837) serves the eastern portion of the town of Gilmanton.

Crystal Lake is a 455-acre (1.8 km2) water body located in Belknap County in the Lakes Region of central New Hampshire, United States, in the town of Gilmanton. Crystal Lake is at the head of the Suncook River watershed. Water flows into Crystal Lake from the Belknap Range through Manning and Sunset lakes to the north. Water from Manning Lake enters Crystal Lake via Nelson Brook. Other waterways flowing into Crystal Lake include Wasson Brook and Mill Brook. Water flows out of a dam from the southern end of Crystal Lake via the Suncook Lakes and Suncook River to the Merrimack River. Shoreline development along Crystal Lake consists primarily of summer cottages, with a few year-round residents. Belknap Mountain and Mount Major can be seen from the shoreline.

Loudon Town Hall is a historic New England meetinghouse at 433 Clough Hill Road in Loudon, New Hampshire. Built in 1779 and extensively restyled in 1847, this Greek Revival structure was used for many years for both religious and civic purposes; it now serves principally as a church, housing a Free Will Baptist congregation. The building was listed on the National Register of Historic Places in 1990; it is one of the oldest civic buildings in Merrimack County.

The Suncook Lakes are a pair of lakes located in Belknap County in central New Hampshire, United States, in the town of Barnstead. Upper Suncook Lake encompasses 402 acres (1.63 km2), while Lower Suncook Lake covers 295 acres (1.19 km2). The lakes are connected by a 1,000-foot-long (300 m) channel, spanned by a road bridge. A dam at the outlet of Lower Suncook Lake controls the water level of both lakes. The lakes are located along the Suncook River, a tributary of the Merrimack River. There are three islands on Lower Lake. Lower Suncook Lake has an average depth of 9 feet (2.7 m) and a maximum depth of 16 feet (4.9 m), while Upper Suncook Lake has a greater average depth and a maximum depth greater than 40 feet (12 m). The lakes are classified as a warmwater fishery, with observed species including smallmouth and largemouth bass, chain pickerel, horned pout, and white perch. Rainbow trout can be found in the deeper Upper Suncook Lake.

Griswold Scout Reservation (GSR) is a 3,500-acre (14 km2) reservation for Scouting located near Gilmanton Ironworks, New Hampshire, and operated by the Daniel Webster Council of the Boy Scouts of America. It comprises two camps, Hidden Valley Scout Camp and Camp Bell, which both run an eight-week summer camping program. Founded in 1971, Griswold Scout Reservation serves Venturing crews and Scouts BSA troops all across New England.