Boundary Cone, Volcanic summit in Black Mountains, Arizona, United States
Boundary Cone rises 3,432 feet above sea level with a prominence of 750 feet, featuring exposed volcanic rock formations in Mohave County.
The geological formation emerged during the Miocene epoch when magma solidified within a volcanic vent, revealed through natural erosion of surrounding rocks.
The Bureau of Land Management listed this peak for the National Register of Historic Places in 2006 due to its importance to Indigenous tribes.
Visitors can access the summit through hiking trails starting from the town of Oatman, located 4 miles northeast of the peak.
The cone serves as a natural border marker between the Mohave Valley desert ecosystem and the elevated terrain of the Black Mountains.
Location: Arizona
GPS coordinates: 34.98389,-114.41607
Latest update: March 17, 2025 20:02
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