Mount Graham is a high mountain peak at an elevation of 3.192m (10,472ft) above the sea level, located in Graham County, in southeastern Arizona in the United States. It's one of the highest mountain roads of Arizona.
Located in the Pinaleno Mountains, within the Coronado National Forest, the road to the summit is unpaved. SUV vehicle required. It’s called Mt Graham International Observatory Road (4567). The road is gated between November 15 and April 15. 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.
The road to the summit is pretty steep. Starting from 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