Hikers pause on a rock ledge before a secluded backcountry waterfall poolA bull elk with velvet antlers pauses at the edge of a forest clearingA forest waterfall tumbles between steep rocky banks flanked by pinesA hidden waterfall drops over mossy rock, framed by dense pine branchesSunbleached, striated canyon walls of the Grand Canyon of the Yellowstone dotted with pinesWeathered rhyolite cliffs of the canyon show streaked mineral staining and scattered conifersVertical rock ribs and scattered pines texture the sunlit canyon wall above the Yellowstone RiverWhitewater rapids churn through a narrow rock-walled stretch of the Yellowstone canyonYellowstone River churns white through a narrow gorge between weathered canyon wallsLower Falls plunges into the Grand Canyon of the Yellowstone, river winding through banded orange cliffsLower Falls drops between canyon walls as the river winds south through the gorgeSunlit rhyolite cliffs streaked pink and cream along the Grand Canyon of the YellowstoneWind-bent pines cling to a steep, colour-streaked canyon wall above the rushing riverYellowstone River bends past pale mineral terraces at the base of a forested canyonVertical sweep of the Yellowstone River carving through steep, sunlit canyon wallsRiver bend glows turquoise against ochre canyon walls in the Grand Canyon of the YellowstoneLower Falls thunders over the canyon rim in a wall of mist, framed by pine boughsStop sign and traffic barrels mark a roadside construction stop near the park entranceSmall forest waterfall spills over mossy, lichen-stained bouldersFallen logs span a rushing forest river lined with pine and scattered deadfallWater cascades between rust-toned boulders at a hidden backcountry fallsHiker in orange beanie surveys a rocky river bend beneath an overhanging boulderQuiet forest river bends past wildflowers and pine-studded rock outcropsA lightweight backpacking tent pitched in a grassy clearing as an elk grazes behind camp