Alamo Lake State Park, State park around a desert reservoir in La Paz County, Arizona, United States
Alamo Lake State Park is a state park in La Paz County, western Arizona, built around Alamo Lake, a flood-control reservoir on the Bill Williams River. The lake's narrow arms curve between rounded, scrub-covered landmasses, with a ridge of arid mountains beyond and a pale desert sky above. The Alamo Dam, an earthfill structure rising 283 feet from the streambed, holds the water.
Alamo Dam was built by the U.S. Army Corps of Engineers in 1968, primarily for flood control, and the earthfill structure rises 283 feet (86 m) from the streambed. It impounds runoff from the Bill Williams River, an intermittent tributary of the Colorado River. Unusually high flows in the 1970s and 1980s enlarged the reservoir beyond expectations, opening it to recreation and fishing.
Fishing tournaments from January through April bring together anglers from multiple regions to compete in bass and crappie catching competitions.
The park has several campgrounds with around 80 sites, some offering electric and water connections for convenience. If you prefer beds over tents, air-conditioned rental cabins are available for overnight stays.
Alamo Lake is the darkest-sky state park in Arizona, and its distance from cities makes it a stargazing destination. The reservoir can rise 11 feet (3.4 m) in a single night during extreme flooding. The park is also home to the bald eagle.
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