Coaticook River

Trout River (French: Rivière Trout) is a tributary of Chateauguay River, flowing in: the Adirondack Park, in Franklin County, New York, in Northern of New York State, in United States; the municipalities of Godmanchester and Elgin, in the Le Haut-Saint-Laurent Regional County Municipality, in the administrative region of Montérégie, in southwestern Quebec, Canada.This valley is mainly served in Quebec by the route 138 which passes on the west side of the river (from the border), then on the northwest side going towards the mouth. In New York State, the nearby route is Constable Street and State Highway 30. The river surface is generally frozen from mid-December to the end of March. Safe circulation on the ice is generally done from the end of December to the beginning of March. The water level of the river varies with the seasons and the precipitation.

Huntingdon was a federal electoral district in Quebec, Canada, that was represented in the House of Commons of Canada from 1867 to 1917. It was created by the British North America Act, 1867. It was amalgamated into the Châteauguay—Huntingdon electoral district in 1914.

Huntingdon is a small town in Huntingdon County in the Haut-Saint-Laurent Regional County Municipality and the Montérégie region of the province of Quebec, Canada. The population as of the 2021 Canadian census was 2,556. The town is 75 kilometres (47 mi) southwest of Montreal, and 15 kilometres (9.3 mi) from the border with New York State.

Le Haut-Saint-Laurent (Upper Saint Lawrence) is a regional county municipality in southwestern Quebec, Canada, in the Montérégie region. Its seat is in Huntingdon. It is named for the Saint Lawrence River, which forms its western and its northwestern boundaries.

Godmanchester is a township municipality located in Le Haut-Saint-Laurent Regional County Municipality in the Montérégie region of Quebec, Canada. The population as of the 2021 Canadian census was 1,403 The southeast part of the township is mostly delineated by the Chateauguay River, while the south end borders with Franklin County, New York. It was named after Godmanchester, England, in 1811.

Boisé-des-Muir Ecological Reserve is an ecological reserve of Quebec, Canada. It was established in 1995.

Sainte-Barbe is a municipality of Quebec, located within Le Haut-Saint-Laurent Regional County Municipality in the Montérégie administrative region. The population as of the Canada 2021 Census was 1,609.

Elgin is a rural municipality in Quebec, Canada. The population as of the 2021 Canadian census was 389. It is located southwest of Huntingdon and bounded by the Trout and Chateauguay rivers and the Canada–United States border.

The Powerscourt Covered Bridge is a covered bridge that takes the First Concession Road across the Chateauguay River in Hinchinbrooke, Quebec. It is also known as the Percy Bridge. It was constructed in 1861, and employs the McCallum inflexible arched truss, developed by Daniel McCallum. It was the only McCallum truss bridge that was not a railway bridge, and since wooden truss railway bridges have all but been replaced with steel and concrete bridges, it is the last bridge of its kind in the world. In 2009 it was fully restored to its original 1861 plans.It is supported on three masonry piers and the two spans are structurally independent of each other.The Powerscourt Covered Bridge was designated a National Historic Site of Canada in 1984 because: it is the only known example of a McCallum inflexible arched truss bridge still in existence; it is one of the oldest covered bridges that exists in Canada.The bridge was also named an Historic Monument of Quebec in 1987. It was documented by the U.S. Historic American Engineering Record in 2003 with assistance from Public Works and Government Services Canada.

Dewittville is a small community situated on the Chateauguay River in southern Quebec, Canada, between the towns of Huntingdon and Ormstown, approximately 70 km south-west of Montreal.In 1829, Jacob De Witt acquired a sawmill and 130 acres (53 ha) of land at Portage, which was later renamed to Dewittville. The old grist mill, dam, and Chateauguay River are notable attractions.

Hinchinbrooke (or Hinchinbrook until 1993) is a rural community in southern Quebec, Canada, in the Châteauguay Valley, in the MRC de Le Haut-Saint-Laurent. The population as of the 2021 Canadian census was 2,187.

Jamieson Line is a closed border crossing connecting Athelstan, Quebec to Burke, New York on the Canada–US border. Canada closed its port of entry on April 1, 2011, and tore down its border inspection station in 2012. The US Customs and Border Protection closed its port of entry on August 21, 2014.