Picacho Peak State Park

The park is located between Casa Grande and Tucson near Interstate 10 in Pinal County. Its centerpiece spire is visible from downtown Tucson, a distance of 45 miles (72 km). The summit rises to 3,374 feet (1,028 m) above mean sea level. Though appearing to be the remnant of a volcanic neck, it is now believed to be a tilted and eroded piece of rock overlain by a lava flow.

Picacho Peak State Park
Picacho Peak
Location in Arizona Show map of Arizona Picacho Peak State Park (the United States) Show map of the United States
Location	Pinal, Arizona, United States
Coordinates	32°37′52″N 111°24′56″W / 32.63111°N 111.41556°W / 32.63111; -111.41556
Area	3,747 acres (15.16 km2)
Elevation	2,000 ft (610 m)
Established	1965
Visitors	95,537 (in 2022)
Governing body	Arizona State Parks

Picacho Pass Skirmish Site--Overland Mail Co. Stage Station at Picacho Pass
U.S. National Register of Historic Places
Battle of Picacho Pass Monument
Nearest city	Picacho, Arizona
Area	774 acres (313 ha)
Built	1858
NRHP reference No.	02001384
Added to NRHP	November 22, 2002

The place name Picacho Peak is etymologically redundant: picacho means 'peak' in Spanish. In 1775 the peak was referred to as Cerro de Taca 'Taca Hill' by Father Francisco Garcés, using the Oʼodham name Tcacca or Taceo. It was also called Picacho del Tucson 'Tucson Peak' in the past.

The park is celebrated for wildflowers that appear mid-February to early April following good winter rain. Though set next to an interstate highway, the park's west face possesses an unspoiled Sonoran Desert setting. A small flat space on top of the spire can be reached via two trail heads. Portions of the trails are precarious, and hikers are aided by cables and catwalks. These additions make the routes some of the few via ferrata in the United States. From the top, there is a view south to the Santa Catalina Mountains near Tucson, east across Interstate 10 to Newman Peak, northwest to Tabletop Mountain near Casa Grande, north to the many mountain ranges surrounding Phoenix, and west to where the north-running Santa Cruz River runs underground supporting farms in a quaint desert valley.

Park rangers recommend that hikers wear sturdy boots and carry two liters of water per person. Gloves are commonly used to help grip the cables.

The Butterfield Overland Mail route had a stop near Picacho Peak. The park is near the site of the Battle of Picacho Pass, one of several American Civil War era engagements to occur in Arizona Territory. A Union cavalry patrol from California skirmished with Confederate scouts from Texas, and three men were killed. This marks the second westernmost battle of the American Civil War. Every year during early March, there are reenactments of the battle and other demonstrations of Civil War military history.

Picacho Peak features prominently in the novel The Host by Stephenie Meyer, serving as a guide to the main character in the first act of the story. Much of the action of the novel takes place in or near the state park.

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  Spring wildflowers at Picacho Peak.
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  Re-enactment of the Battle of Picacho Peak in March 2007.
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  Aerial view of Picacho Peak taken from a Boeing B-17 Flying Fortress on April 20, 2013.
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  Picacho Peak from the ghost town of Sasco.

• Red Rock, Pinal County, Arizona
• Sasco, Arizona