Geography
Petrified Forest National Park straddles the border between Apache County and Navajo County in northeastern Arizona. The park is about 30 miles (48 km) long from north to south, and its width varies from a maximum of about 12 miles (19 km) in the north to a minimum of about 1 mile (1.6 km) along a narrow corridor between the north and south, where the park widens again to about 4 to 5 miles (6 to 8 km).
I-40, former U.S. Route 66, the BNSF Railway, and the Puerco River bisect the park generally east–west along a similar route. Adamana, a ghost town, is about 1 mile (1.6 km) west of the park along the BNSF tracks. Holbrook, about 26 miles (42 km) west of park headquarters along I-40, is the nearest city. Bisecting the park north–south is Park Road, which runs between I-40 near park headquarters on the north and U.S. Route 180 on the south. Historic Highway 180, an earlier alignment of the modern route, crosses the southern edge of the park. Like Route 66, it has deteriorated and is closed. Many unpaved maintenance roads, closed to the public, intersect Park Road at various points.
The park covers about 146 square miles (380 km2). The Navajo Nation borders the park on the north and northeast. State-owned land, federal land controlled by the Bureau of Land Management, and private land, much of it used for cattle ranching, adjoin the other borders. The park’s elevation above sea level varies from a low of 5,340 feet (1,630 m) along the Puerco River to a high of 6,230 feet (1,900 m) at Pilot Rock; the average elevation is about 5,400 feet (1,600 m). The terrain varies from gentle hills and major petrified wood deposits in the south to eroded badlands in the north. Most of the park's intermittent streams—including Lithodendron Wash, Dead Wash, Ninemile Wash, and Dry Wash—empty into the Puerco River. In the southern part of the park, Cottonwood Wash and Jim Camp Wash flow into the Little Colorado River.
Read more about this topic: Petrified Forest National Park
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