Frank D. Comerford Dam

Comerford Reservoir is a 1,029-acre (4 km2) impoundment located on the Connecticut River on the boundary between Vermont and New Hampshire in the United States. The reservoir is formed by the Frank D. Comerford Dam in the towns of Monroe, New Hampshire, and Barnet, Vermont, and impounds water into the towns of Littleton, New Hampshire, and Waterford, Vermont, nearly to the Moore Reservoir upstream on the Connecticut.

The Passumpsic River () is a 22.7-mile-long (36.5 km) tributary of the Connecticut River, in Vermont. Though primarily a Caledonia County river, it is the only river to flow through all three counties of the Northeast Kingdom.

The Phineas Thurston House is a historic house on Old Silo Road (Town Highway 12) in Barnet, Vermont. Built about 1787, it is one of the oldest surviving houses in northeastern Vermont, and one of the best-preserved early houses in Barnet. It was listed on the National Register of Historic Places in 1989.

The Caledonia-1 Representative District is a one-member state Representative district in the U.S. state of Vermont. It is one of the 108 one or two member districts into which the state was divided by the redistricting and reapportionment plan developed by the Vermont General Assembly following the 2000 U.S. Census. The plan applies to legislatures elected in 2002, 2004, 2006, 2008, and 2010. A new plan will be developed in 2012 following the 2010 U.S. Census. The Caledonia-1 District includes all of the Caledonia County towns of Barnet, Ryegate, and Waterford. As of the 2000 census, the state as a whole had a population of 608,827. As there are a total of 150 representatives, there were 4,059 residents per representative (or 8,118 residents per two representatives). The one member Caledonia-1 District had a population of 3,944 in that same census, 2.83% below the state average.

Barnet is the primary village and a census-designated place (CDP) in the town of Barnet, Caledonia County, Vermont, United States. As of the 2020 census, the CDP had a population of 127, out of 1,663 in the entire town of Barnet. The village is in southeastern Caledonia County, along the southeast edge of the town of Barnet, sitting on the west bank of the Connecticut River. It is bordered to the southeast, across the river, by the town of Monroe, New Hampshire. Interstate 91 forms the northwest edge of the CDP, with access from Exit 18 (West Barnet Road). I-91 leads north 10 miles (16 km) to St. Johnsbury and south 50 miles (80 km) to White River Junction. U.S. Route 5 passes through the center of the village, paralleling I-91; it leads north 9 miles (14 km) to St. Johnsbury and south 11 miles (18 km) to Wells River.

Passumpsic is an unincorporated village in the town of Barnet, Caledonia County, Vermont, United States. The community is located along U.S. Route 5 and the Passumpsic River 3 miles (4.8 km) south of St. Johnsbury. Passumpsic has a post office with ZIP code 05861.

Waterford is a town in Caledonia County, Vermont, United States. The population was 1,268 at the 2020 census.

The Passumpsic Railroad was located in Barnet, Vermont. The railroad had the only operable steam locomotive in Vermont. Their steam engine was a two-truck Heisler that ran on the Phenix Marble Company. The Passumpsic Railroad was owned by Marvin Kendall and was located along route 5 south of St. Johnsbury. The railroad had or has the locomotive named Phenix Marble Company 1.

The West View Farm is a historic farm property on Hastings Road (Town Highway 34) in Waterford, Vermont. The farm is unique for its distinctive round barn, built in 1903 to a design by St. Johnsbury architect Lambert Packard, and surviving 19th-century corn crib and smokehouse. The property was listed on the National Register of Historic Places in 1995. It includes a round barn.

Barnet is a town in Caledonia County, Vermont, United States. The population was 1,663 at the 2020 census. Barnet contains the locations of Barnet Center, East Barnet, McIndoe Falls, Mosquitoville, Passumpsic and West Barnet. The main settlement of Barnet is recorded as a census-designated place by the U.S. Census Bureau, with a population of 127 at the 2020 census.

Monroe is a town in Grafton County, New Hampshire, United States. The population was 864 at the 2020 census, up from 788 at the 2010 census. The town is located along the Connecticut River, across from Barnet, Vermont. It was originally chartered as part of Lyman.

The Barnet Center Historic District encompasses a small cluster of buildings and a cemetery, which make up the original town center of Barnet, Vermont. Located on Barnet Center Road, it includes the 1849 Presbyterian church, vestry, and two residences, built between 1790 and 1898, as well as the town's first cemetery and a c. 1915 toolshed. It was the first town in Vermont to be settled by direct immigration from Scotland. The district was listed on the National Register of Historic Places in 1984.