Greycliff is located ten miles east of Big Timber and is named for the grey-tinted conglomerate rock cliff east of town. While here visit the Greycliff Prairie Dog Town State Monument and watch the blacktailed prairie dog community. Interpretive displays at the site help to tell the story of these small entertaining prairie dogs. The Yellowstone River is accessed at Greycliff. Enjoy fishing, camping and boating along Yellowstone River.