Marble Canyon is the section of the Colorado River canyon in northern Arizona from Lee's Ferry to the confluence with the Little Colorado River, which marks the beginning of the Grand Canyon. Marble Canyon is also well known for the Navajo Bridge, where US Highway 89A crosses the Colorado River. Marble Canyon marks the western boundary of the Navajo Nation.
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Marble Canyon adalah bagian dari ngarai Sungai Colorado di Arizona utara dari Lee Ferry ke pertemuan dengan Sungai Little Colorado, yang menandai awal dari bagian Grand Canyon. Marble Canyon juga terkenal dengan Jembatan Navajo menandai batas barat Navajo Nation.