description Mogollon Rim Overview
The Mogollon Rim is an extensive geological escarpment in central Arizona that defines the southern boundary of the Colorado Plateau. Extending roughly 200 miles, the rim primarily consists of Permian-period limestone and sandstone that were shaped by ancient geological faulting and erosion. Rising to elevations of approximately 7,000 to 8,000 feet, it acts as a major ecological divide, separating the state's highland pine forests from the lower desert basins to the south.
help Mogollon Rim FAQ
What is the Mogollon Rim and where is it located?
The Mogollon Rim is a major escarpment along the southern edge of the Colorado Plateau in central Arizona. It extends for more than 200 miles, or about 322 kilometres, across the state.
How was the Mogollon Rim formed?
The Rim is the eroded edge of a large uplifted area of layered sedimentary rock rather than one simple vertical fault wall. Its exposed rocks include sandstone, limestone, shale, and other Paleozoic formations, with the exact layers varying along its length.
How high is the Mogollon Rim?
Some parts of the escarpment rise roughly 2,000 feet above the surrounding terrain. The highest areas along the Rim exceed 7,000 feet above sea level, which helps create cooler, forested conditions on the plateau side.
Is the Mogollon Rim the same thing as the Grand Canyon?
No, the Mogollon Rim is a long escarpment marking the Colorado Plateau's southern boundary, while the Grand Canyon is a separate river-cut gorge. The Rim stretches across central Arizona for more than 200 miles and includes forests, cliffs, and high overlooks.
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