State Route 366 - Swift Trail

Arizona State Route 366Arizona Scenic Road

Arizona 366 travels from US 191 west through the Coronado National Forest up to the top of Mt. Graham and the Pinaleño mountain range. The road was added to the state highway system in 1961-62.

Arizona 366 is a winding road, with sharp curves and no guardrails. The road is quite scenic, but only paved for the first 21 miles (between miles 114 and 136). The last 7 miles are gravel, and are closed to vehicles from November 15 to April 15.

There are no reassurance markers on Eastbound Arizona 366.

Arizona 366 is designated as the Swift Trail Parkway scenic road. The road was designated as a scenic highway in 1993.

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Page Updated Sunday November 18, 2007.