The Rocky Mountain Trench, also known as the Valley of a Thousand Peaks or simply the Trench, is a large valley on the western side of the northern part...

Mexico. Canada officially defines the Rocky Mountains system as the mountain chains east of the Rocky Mountain Trench extending from the Liard River valley...

The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch...

includes the Selkirk, Monashee, and Cariboo Mountains. They are located on the west side of the Rocky Mountain Trench in the area of the Columbia Valley, and...

Purcell Trench, also known as the Kootenay River Valley is a large valley on the western side of the northern part of North America's Rocky Mountains. The...

Canada, located in the Rocky Mountain Trench at the confluence of the Finlay, Kwadacha and Fox Rivers, in the Rocky Mountain Trench upstream from the end...

covers 135,952 km² (52,491 sq mi). The range is bounded by the Rocky Mountain Trench on the east, and the Kootenai River on the south; their western...

90 km at its widest (southwest–northeast). East of the range is the Rocky Mountain Trench, in this region largely the path of the upper Fraser River (including...

side of the belt. On the west side, the Rocky Mountains are bounded by the Rocky Mountain Trench, where the trench is interpreted to overlie the western...

The Columbia Valley is the name used for a region in the Rocky Mountain Trench near the headwaters of the Columbia River between the town of Golden and...