The North Fork Road in Glacier National Park was built in 1901. The Butte Oil Company constructed a rough wagon road from Lake McDonald to its oil well at Kintla Lake, encouraging the development of the North Fork region. From 1935–1945, the National Park Service developed the road adding culverts and drains. The unpaved road extends nearly forty mi…The North Fork Road in Glacier National Park was built in 1901. The Butte Oil Company constructed a rough wagon road from Lake McDonald to its oil well at Kintla Lake, encouraging the development of the North Fork region. From 1935–1945, the National Park Service developed the road adding culverts and drains. The unpaved road extends nearly forty miles, to the Canada–United States border.