Marble Canyon

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Marble Canyon is the section of the Colorado River canyon in northern Arizona from Glen Canyon Dam to the confluence with the Little Colorado River, which marks the beginning of the Grand Canyon.

Lee's Ferry is a common launching point for river runners starting their journey through 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. In 1975, the former Marble Canyon National Monument, which followed the Colorado River northeast from the Grand Canyon to Lees Ferry, was made part of Grand Canyon National Park.

Colorado River system
Dams and aqueducts (see US Bureau of Reclamation)
Shadow Mountain Dam | Granby Dam | Glen Canyon Dam | Hoover Dam | Davis Dam | Parker Dam | Palo Verde Diversion Dam | Imperial Dam | Laguna Dam | Morelos Dam | Colorado River Aqueduct | San Diego Aqueduct | Central Arizona Project Aqueduct | All-American Canal | Coachella Canal | Redwall Dam
Natural features
Colorado River | Rocky Mountains | Colorado River Basin | Grand Lake | Sonoran desert | Mojave desert | Imperial Valley | Colorado Plateau | Grand Canyon | Glen Canyon | Marble Canyon | Paria Canyon | Gulf of California/Sea of Cortez | Salton Sea
Tributaries
Dirty Devil River | Dolores River | Escalante River | Gila River | Green River | Gunnison River | Kanab River | Little Colorado River | Paria River | San Juan River | Virgin River
Major reservoirs
Fontenelle Reservoir | Flaming Gorge Reservoir | Taylor Park Reservoir | Navajo Reservoir | Lake Powell | Lake Mead | Lake Havasu
Dependent states
Arizona | California | Colorado | Nevada | New Mexico | Utah (See: Colorado River Compact)
Designated areas
Glen Canyon National Recreation Area | Lake Mead National Recreation Area