Lower Colorado River Valley ("LCRV") is the river region of the lower Colorado River where it forms the border between Southern California and Western Arizona. This north–south stretch also divides between the Mexican states of Baja California and Sonora.

Some major threats include urbanization, clearing of land for agriculture, human occupancy – especially as a result of imported external resources, and camping and camptrailers on BLM land. Other threats include harvesting for fuelwood, campfires, etc. of desert ironwood, Olneya tesota, destruction of land by offroad vehicles, especially in sand dunes, and harvesting and manipulation of groundwater

Wildlife & Recreation Edit

It is home to the famous desert bighorn sheep, coyotes, bobcats, raccoons, mountain lions, mule deer, squirrels and feral burros. Along the river you can find muskrats and beavers.

The section of the Colorado River is a popular stopover for migratory waterfowl - ducks, geese, ibis and cormorants - usually seen by the thousands in spring and fall. Other waterfowl are found here year round. A couple of California State Parks are here including Cibola State Park and Picacho State Park which provide recreational opportunities.

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