Hikers descend the curving South Kaibab trail in Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

A cowboy wrangler leads a pack train of horses up the South Kaibab Trail in Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Steamboat Mountain at dawn from Fence Point, North Rim, Grand Canyon, Kaibab National Forest, Arizona, United States of America, North America

South Kaibab Trailhead overlook, South Rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Hikers on the South Kaibab Trail with the extensive Grand Canyon vista extending beyond, Grand Canyon, UNESCO World Heritage Site, Arizona, United States of America, North America

One of several natural ponds near Sycamore Falls known as the Pomeroy Tanks, Kaibab National Forest near Williams, Arizona, United States of America, North America

A twisted Juniper Tree near Sycamore Canyon in the Kaibab National Forest south of Williams, Arizona, United States of America, North America

Pomeroy Tanks near Sycamore Falls, located in the Kaibab National Forest near Williams, Arizona, United States of America, North America

Sycamore Canyon viewed from the west side of Sycamore Point near sundown, located in Kaibab National Forest, Williams, Arizona, United States of America, North America

A twisted Juniper Tree near Sycamore Canyon in the Kaibab National Forest south of Williams, Arizona, United States of America, North America

The Kaibab Forest in winter near Waldron Canyon west of Hermits Rest, Grand Canyon, Arizona, United States of America, North America

The Kaibab Forest in winter near Waldron Canyon west of Hermits Rest, Grand Canyon, Arizona, United States of America, North America

Pleasant Valley near sunset in the Kaibab National Forest just north of Grand Canyon North Rim, Arizona, United States of America, North America

Grassland that used to be the J D Dam Lake, dry due to a drought in Arizona, Kaibab National Forest, south of Williams, Arizona, United States of America, North America

Panorama of Kaibab Lake from its south side, Kaibab National Forest near Williams, Arizona, United States of America, North America

View from the Saddle Mountain Overlook on the northeast edge of Grand Canyon North Rim and the Kaibab National Forest, Arizona, United States of America, North America

View of O'Neill Butte on the left and Grand Canyon on the right from the edge of Cedar Ridge along the South Kaibab Trail, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Grand Canyon view from Skeleton Point along the South Kaibab Trail on the south rim, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

HDR composite of the late day sun shining through the trees of the Kaibab Forest near Williams, Arizona, United States of America, North America

The road leading to Kaibab Lake in the Kaibab National Forest near Williams, Arizona, United States of America, North America

Grand Canyon view from the east side of Skeleton Point along the South Kaibab Trail, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Cliffs of Sycamore Falls with dry inactive waterfalls, Kaibab National Forest near Williams, Arizona, United States of America, North America

Panorama view from above Sand Hill Spring at Vermilion Cliffs National Monument, with snow covered land in the distance of the Kaibab Plateau, location of the Grand Canyon, Arizona, United States of America, North America

Bright Angel Canyon viewed from Coconino Overlook along North Kaibab Trail on Grand Canyon North Rim, Arizona, United States of America, North America

Bright Angel Canyon viewed from Coconino Overlook along North Kaibab Trail on Grand Canyon North Rim, Arizona, United States of America, North America

Sunrise view from Cedar Ridge along the South Kaibab Trail at Grand Canyon Arizona in winter. O'Neill Butte is on the left and Cremation Creek is below in the center. Ooh Aah Point in on the upper right.

Grand Canyon South Rim viewed from Cedar Ridge along the South Kaibab Trail, UNESCO World Heritage Site, Arizona, United States of America, North America

White Horse Lake in the Kaibab National Forest of northern Arizona viewed from its northwest lagoon, Arizona, United States of America, North America

Northeast Shoreline view of White Horse Lake near Williams, located within the Kaibab National Forest, Arizona, United States of America, North America

The South Kaibab Trail winding down to the Black Bridge that spans the Colorado River at Grand Canyon Arizona. Phantom Ranch is just left of center.

Scenic view of Grand Canyon from Ooh Aah Point on South Kaibab Trail, Grand Canyon National Park, Arizona, USA

View of Pipe Creek from the west cliff of Skeleton Point at Grand Canyon Arizona along the South Kaibab Trail.

View of O'Neill Butte from its north side along the South Kaibab Trail at Grand Canyon Arizona just after sunrise.

Scenic view of Grand Canyon from South Kaibab Trail, Grand Canyon National Park, Arizona, USA

Scenic view of Grand Canyon from South Kaibab Trail, Grand Canyon National Park, Arizona, USA

View of O'Neill Butte from Yaki Point at first morning light, South Kaibab Trail, Bright Angel Canyon and Trail, Grand Canyon National Park, South Rim, Arizona, United States of America, USA

Suspension Bridge Kaibab Suspension Bridge over Colorado River, South Kaibab Trail, Grand Canyon National Park, Arizona, USA, North America

Female hiker waits for pack horses to pass on the South Kaibab Trail in Grand Canyon National Park north of Williams, Arizona May 2011. The South Kaibab Trail starts on the south rim of the Colorado Plateau and follows a ridge out to Skeleton Point allowing for 360-degree views of the canyon then down to the Colorado River. At the Colorado River the trail connects with the North Kaibab trail as part of the Arizona Trail system, that crosses the state of Arizona from Mexico to Utah.

Hiking the Grand Canyon's Kaibab Trail, South Rim. Grand Canyon National Park, Arizona.

Overlooking the Grand Canyon's Kaibab Trail, South Rim. Grand Canyon National Park, Arizona.