The
Little Colorado River is a tributary of the
Colorado River in the
U.S. state of
Arizona, providing the principal drainage from the
Painted Desert region. Together with its major tributary, the
Puerco River, it drains an area of about in eastern Arizona and western
New Mexico. Although it stretches almost , only the headwaters and the lowermost reaches flow year-round. Between
St. Johns and
Cameron, most of the river is a wide, braided wash, only containing water after heavy snowmelt or
flash flooding.