About the Upper Missouri River Breaks National Monument
Stewarded by Friends of the Missouri Breaks National Monument
The Upper Missouri River Breaks National Monument is nearly 370,000 acres of central Montana prairies and badlands, with 149 miles of Wild and Scenic Missouri River flowing through it. Here, colorful sandstone canyons meet the river then rise up to a seemingly limitless prairie full of life; bighorn sheep and elk graze along the river, antelope roam through a rippling sea of grass and sage grouse still return to their leks for the ritual mating dance. These lands have remained largely the same since Lewis and Clark came through in 1805 and described “scenes of visionary enchantment” along the Missouri.