Mount Graham

Mount Graham in AZ: a steep unpaved road to the summit

Mount Graham is a high mountain peak at an elevation of 3.192m (10,472ft) above the sea level, located in Graham County, in the U.S. state of Arizona. It's one of the highest roads of Arizona.

Can you drive to the top of Mt Graham?

Tucked away northeast of Tucson in southeastern Arizona, the road to the summit is totally unpaved. SUV vehicle required. It’s called Mt Graham International Observatory Road (4567). The peak was named in 1846 after the Army officer James Duncan Graham. The summit is home to an observatory called Mount Graham International Observatory, built in 1993.

Is Mt Graham closed?

Set high in the Pinaleno Mountains, within the Coronado National Forest, the road is gated between November 15 and April 15. The first road to the summit was started in the 1920’s, and was completed as far as Arcadia by about 1927.

Is the road to Mount Graham in Arizona steep?

The road to the summit is pretty steep. Starting at the paved AZ-366, the road is 3.21km (2 miles) long via 7 sharp hairpin turns. Over this distance the elevation gain is 270 meters. The average gradient is 8.41%.
Pic: Iskren Georgiev


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