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Chaco Culture National Historical Park Photo of sunset from South Mesa
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Chaco Culture National Historical Park
Road Closures
ROAD CLOSURE: Hwy 57 from Blanco Trading Post (on US 550) is permanently closed at the park's north boundary. Do not take Hwy 57. From US 550, go to mile 112.5 (3 miles SE of Nageezi) and turn onto CR 7900. After 5 miles turn right onto CR 7950. Follow signs to the park. Hwy 57 south is open from the park boundary to Hwy 9. There is 20 miles of rough dirt road. Not recommended for RVs.

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Photo of Chaco wash during a flood after heavy rains.

Did You Know?
A 20 km segment of Chaco Wash courses through the park. Its flows are derived from summer thunderstorms and winter snowmelt within a 2,175 km2 watershed. The wash is presently incised into a steep-walled arroyo which has a well-developed floodplain and a small inner channel on the arroyo floor.
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Last Updated: July 27, 2006 at 17:34 MST