The Granby River is a tributary of the Kettle River

Kettle River (Columbia River)

The Kettle River is a tributary of the Columbia River in northeastern Washington in the United States and southeastern British Columbia in Canada. Its drainage basin is large, of which are in Canada and in the United States.-Course:...

 in British Columbia, Canada, joining the Kettle just north of the US-Canada border at the town of Grand Forks

Grand Forks, British Columbia

-Schools:Schools in the region are operated by School District 51 Boundary which has its main office in Grand Forks but also serves Midway, Greenwood, Beaverdell, and Rock Creek....

. The river is approximately 105 kilometres (65.2 mi) in length and has its origin in the Monashee Mountains

Monashee Mountains

The Monashee Mountains are a mountain range mostly in British Columbia, Canada, extending into the U.S. state of Washington. They stretch from north to south and from east to west. They are a subrange of the Columbia Mountains...

 to the west of Fauquier on the Arrow Lakes

Arrow Lakes

The Arrow Lakes in British Columbia, Canada, divided into Upper Arrow Lake and Lower Arrow Lake, are widenings of the Columbia River. The lakes are situated between the Selkirk Mountains to the east and the Monashee Mountains to the west. Beachland is fairly rare, and is interspersed with rocky...

.

The Granby River is named for the Granby Consolidated Mining & Smelting Company, which from 1898 to 1919 operated the Phoenix Mines

Phoenix, British Columbia

Phoenix is a ghost town in the Boundary Country of British Columbia, Canada, 11 km east of Greenwood. Once called the “highest city in Canada” by its citizens it was a booming copper mining community from the late 1890s until 1919...

and a smelter on the east side of the river.