Gates of the Rocky Mountains, United States (Google Maps ⧉, OpenStreetMap ⧉)

Referenced In

"“…Magnificent rocky appearances on the borders of the river denominated the Gates of the Rocky mountains.”"

"We were obliged to go on some time after dark, not being able to find a spot large enough to encamp on, but at length about two miles above a small inland in the middle of the river we met with a spot on the left side, where we procured plenty of lightwood and pitchpine. This extraordinary range of rocks we called the Gates of the Rocky mountains."

"Through this prairie is the great Indian road to the waters of the Missouri; and so direct is the route, that in four days' journey from this place we might reach the Missouri about thirty miles above what we called the Gates of the Rocky mountains, or the spot where the valley of that river widens into an extensive plain on entering the chain of mountains."