Complex sentence: Grand Marais is located on the northwestern shore of Lake Superior in northeastern Minnesota, and is an entry point for the Boundary Waters Canoe Area Wilderness, being at the beginning of the Gunflint Trail.
Split into simpler sentences: Grand Marais is located on the northwestern shore of Lake Superior in northeastern Minnesota. It is an entry point for the Boundary Waters Canoe Area Wilderness, situated at the beginning of the Gunflint Trail.