Appalaches Regional Park, Regional park in Montmagny, Canada.

Appalaches Regional Park is a non-profit regional park in Montmagny Regional County Municipality, Chaudière-Appalaches, Quebec, with its head office in Sainte-Lucie-de-Beauregard. It covers lakes, forests, rivers, marshes, peat bogs and mountains, including Grande Coulée Mountain (853 m), Sugar Loaf Mountain (650 m) and Talon Lake Mountain (580 m). About thirty arched or suspended footbridges span its rivers and water bodies.

The park was created in 1997 by eight local municipalities that formed the Corporation du Parc des Appalaches, a non-profit registered on 10 January 1997 with headquarters in Sainte-Lucie-de-Beauregard. The toponym was registered on 28 September 2004 in the Banque de noms de lieux of the Commission de toponymie du Québec, named after the mountain range it occupies.

The name comes from the Appalachian range and was registered with Quebec's Commission de toponymie on 28 September 2004. The park is run by a non-profit corporation registered on 10 January 1997, created by eight local municipalities, with its head office in Sainte-Lucie-de-Beauregard. Dogs are allowed to accompany their owners on the trails, a rarity among Quebec parks.

The park offers roughly 140 kilometers of trails suited for hiking, cycling, and winter sports at various difficulty levels. Accommodations range from basic camping spots to fully equipped cabins depending on your preference.

Grande Coulée Mountain stands at 853 meters and marks the highest point in the park, offering sweeping views across the diverse landscape of forests and waterways below. This vantage point reveals the park's full geographic variety in a single panoramic view.