Mount Gallatin, also known as Boundary Peak 67, is a mountain in the Boundary Ranges along the British Columbia-Alaska border. The Tasakili River begins to the north of Mount Gallatin, within Alaska, then crosses the border shortly after its source, flowing southeast at the foot of the mountain to the Stikine River. Mount Gallatin is the peak immediately north of where the Stikine crosses the international boundary. Just inside that boundary on the Canadian side, at the foot of Mount Gallatin, is the locality and former border post of Stikine, formerly known as Boundary.