Boundary Cone - 4 Things to Know Before Visiting

Sitgreaves Pass is a mountain pass at an elevation of 1.096m above the sea level. It is also known as the Oatman Highway. The road is pretty narrow, very curvy, with lots of blind hairpin turns and with no shoulders. It’s a fabulous drive if you are not scared of heights or of tumbling down a mountain side.

Mount Nutt Wilderness is home to more than 100 desert bighorn sheep and burro. The desert is also home to several species of lizards, birds, and small mammals. This desert wilderness sits among a maze of desert canyons and steep mesas, surrounded by volcanic plugs.

The 112,400-acre Warm Springs Wilderness is located in Mohave County. It makes up the entirety of the Black Mesa and parts of the surrounding foothills, washes, alluvial fans, and valleys. The Black Mesa is the southernmost section of the Black Mountains of western Mohave County, in northwest Arizona. The region is in the east and southeast of the Mojave Desert of Arizona, southern Nevada, and California.

The National Wildlife Refuge System is a series of lands and waters owned and managed by the U.S. Fish and Wildlife Service. Wildlife conservation is at the heart of the refuge system. It is a birding hotspot with 318 bird species relying on the diverse habitat.

Davis Dam spans the Colorado River in Pyramid Canyon 67 miles downstream from Hoover Dam and 88 miles upstream from Parker Dam.The earth fill dam begins on the Nevada side, but it does not extend to the Arizona side on the east. Instead, there is an inlet formed by earth and concrete, that includes the spillway. The hydroelectric power plant is beside the inlet.

A surface road in the U.S. state of Arizona in Mohave and Coconino Counties. In 1914, the road was designated "National Old Trails Highway" but in 1926 was re-designated as U.S. Route 66. In 1985, U.S. Route 66 was dropped from the highway system. Parts of the highway were either absorbed into I-40, turned over to the state , or turned over to Yavapai County.