The Notre Dame and Mégantic Mountains are a physiographic province

Physiographic regions of the world

The physiographic regions of the world are a means of defining the Earth's landforms into distinct regions based upon classic 1916 three-tiered approach defining divisions, provinces, and sections...

 of the larger Appalachian

Appalachian Mountains

The Appalachian Mountains #Whether the stressed vowel is or ,#Whether the "ch" is pronounced as a fricative or an affricate , and#Whether the final vowel is the monophthong or the diphthong .), often called the Appalachians, are a system of mountains in eastern North America. The Appalachians...

 division, and also contains the Chic-Choc Mountains

Chic-Choc Mountains

The Chic-Choc Mountains, often called Shick Shocks in English, is a group of mountains in the central Gaspé Peninsula in Quebec, Canada. It is a part of the Notre Dame Mountains, which is a continuation of the Appalachian Mountains....

. The Notre Dame Mountains

Notre Dame Mountains

The Notre Dame Mountains are a portion of the Appalachian Mountains, extending from the Gaspé Peninsula of Quebec to the Green Mountains of Vermont....

 rise to a level of approximately 2,000 ft (610 m) above sea level and extend southwest to northeast, south of the St. Lawrence River. The abundant mineral resources in this region have resulted in a unique mining landscape. The Notre Dame Mountains extend 500 mi (800 km) from the Green Mountains

Green Mountains

The Green Mountains are a mountain range in the U.S. state of Vermont. The range extends approximately .-Peaks:The most notable mountains in the range include:*Mount Mansfield, , the highest point in Vermont*Killington Peak, *Mount Ellen,...

 of Vermont into the Gaspé Peninsula

Gaspé Peninsula

The Gaspésie , or Gaspé Peninsula or the Gaspé, is a peninsula along the south shore of the Saint Lawrence River in Quebec, Canada, extending into the Gulf of Saint Lawrence...

, Canada.