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Silly Mountain
Highest point
Elevation	2,139 ft (652 m)
Prominence	359 ft (109 m)
Isolation	2.34 mi (3.77 km)
Coordinates	33°22′50″N 111°29′00″W / 33.380551°N 111.483335°W / 33.380551; -111.483335
Dimensions
Length	3.5 mi (5.6 km)
Geography
Silly MountainShow map of ArizonaSilly MountainShow map of the United States
Country	United States
State	Arizona
Region	Pinal
Settlement	Apache Junction

Silly Mountain, also known as "Roadside Benchmark", is a mountain in Arizona, United States, located near the city of Apache Junction. It is part of the Superstition Mountain range. The elevation of the mountain is 2,139 feet (652 m), and the prominence is 358 feet (109 m).

Location

Silly Mountain is located inside Silly Mountain Park, on the edge of Apache Junction and Gold Canyon. The area is managed by the Bureau of Land Management and is open to limited public use. A communication site (location T.1N.R.8E.) was built for residential and industrial development.

AZ, 37 miles east of Phoenix and eight miles south of Lost Dutchman State Park.

It is possible to reach Silly Mountain by car since it has a large parking lot.

Origin of the name

The mountain was originally named "King's Mountain" for local businessman William N. King, who owned a small ranch at the foot of the mountain in the early 20th century. In the 1970s, a Pinal County public works employee asked to name a newly paved road leading to the mountain; they named it "Silly Mountain Road". The reason for the name is unclear, but remains in use.

Flora

Silly Mountain is the habitat of the Echinocereus cactus, specifically a variant of Echinocereus engelmannii and E. acicularis. In the same locality are the Tree Cholla (Cylindropuntia imbricata) and the tree-like Saguaro cactus (Carnegiea gigantea). The mountain and its surrounding area present more than 280 different plant species characteristic of the Sonoran Desert. Prior to residential development in the area, visitors drove Jeeps and all-terrain vehicles up and down the hill during hunting season, killing most of the vegetation. Many Saguaro cactuses now show the effects of being targeted with firearms.

Fauna

The fauna of Silly Mountain is characteristic of the Sonoran Desert. Some of the most common animal species that can be found in the surrounding area include coyotes, desert mule deer, desert cottontails, greater roadrunners, bobcats, and gila monsters.

Birds

Silly Mountain is also populated by different bird species, characteristics of the Arizona environment. For this reason birdwatching is a popular activity at Silly Mountain. Among the 64 species that visitors reported the most seen are:

• Gambel's quail
• Curve-billed thrasher
• White-winged dove
• Black-throated sparrow
• White-throated swift

Geology

The steep and rounded form of Silly Mountain is characteristic of the volcanic rock Rhyolite. The flow-banding of this mineral is parallel to that of Dacite, another type of volcanic rock, rich in crystals, and contains approximately 20–25% of phenocrysts. Silly Mountain is rich in silicon dioxide (SiO2) and such minerals as biotite and amphibole, present in both fresh and oxidized states. There is a concentration of approximately 28 percent of plagioclase grains, and subrounded grains of quartz and zircon are also present. The major rocks are:

• Bedded tuff
• Dacite
• Intrusive rhyolite
• Rhyolite
• Quaternary surficial deposits

Mining

Silly Mountain Mine is on the side of the mountain. Given the successful gold mines in the surrounding area, it is assumed that Silly Mountain Mine was opened with the expectation of locating ore. The mine has not been fruitful due to the lack of valuable metals. By filling the shaft to a depth of about 1.5 meters (4.9 feet), any potential hazards have been removed. The mine can be reached by taking the Old Mine Trail path.

• Old Mine Trail path leading up to the Silly Mountain Mine

Recreation

Mountain biking

Silly Mountain biking trails are of varying levels of difficulty. Palo Verde trail and the Brittle Brush trail are easy trails that do not require a high level of expertise and include just a few switchbacks and a hike-a-bike part at the end of the Palo Verde trail. Superstition View trail, from which Superstition Mountains are visible, is considered an easy trail until the connection with the Jackrabbit trail, where there are some rugged and difficult spots. The Crest trail and the Old Mine trail are difficult trails that require some skills with switchbacks and steep and technical climbs.

Hiking

There is a total of 10 hiking trails in Silly Mountain Park, ranging in length from 45 meters (148 feet) to 1.77 kilometers (1.10 miles). The combined length of all hiking trails equals to 5.63 kilometers (3.50 miles) of 10 trails that are no longer available to off-road vehicles and it takes an average of one hour, nine minutes to complete them. Historically, it has evolved from having only one steep trail to incorporating numerous trail branches with different levels of difficulty.

Botanical walk

The Botanical Walk was completed in October 2010, through the collaboration between the Superstition Area Land Trust (SALT) and Apache Junction Parks and Recreation departments. The idea first came from Don Wells, SALT vice-president, then the walk was realized through the funding for $35,000 from Nina Mason Pulliam Charitable Trust. The water lines and drip system were installed by the Apache Junction Parks and Recreation staff; the construction of the pathway has been accomplished by the SALT Trail Builders Crew.

The trail is 0.3 miles (480 m) long, accessible to people of all ages, and is also wheelchair accessible. The trail is surrounded by more than 280 native plants of 35 different species, paired with signs describing plant characteristics. The plants were mainly donated by local businesses and companies.

Silly Mountain Park

Silly Mountain Park is managed by the city of Apache Junction.

Superstition Area Land Trust (S.A.L.T) and the town of Apache Junction collaborated in 2007 to restore Silly Mountain, creating Silly Mountain Park, a maintained recreational area with preserved desert vegetation. Superstition Area Land and Trust area was seriously damaged by fires and off-road vehicles that caused significant erosion of the surface of the mountain.

A large eroded wall characterized by scree was created, which can also be seen from US Route 60, approximately a half-mile to the west. In 2008, a non-profit educational corporation called Superstition Area Land Trust worked to recover Silly Mountain and the surrounding area. Through the collaboration with Apache Junction Park and Recreation, the Superstition Area Land Trust fixed and restored the entire area, also new hiking trails and new regional grasses were traced. Through donations, support of volunteers, community organizations and local businesses the area of Silly Mountain was restructured and it became the Silly Mountain Park.

Gallery

• Silly Mountain Park Entrance Sign, Silly Mountain, Arizona.
• Flora in Silly Mountain, Arizona.
• View from the Gold Canyon, showing the eastern side of Silly Mountain, Arizona.
• Carnegiea gigantea cacti on Silly Mountain, Arizona.
• View from Silly Mountain, Arizona.
• Signs of "High Point Trail" and "Crest Trail" on Silly Mountain, Arizona
• More signs at Silly Mountain Park, Arizona.
• Damaged Carnegiea gigantea cactus on Silly Mountain, Arizona.
• View westward from summit of Silly Mountain, Arizona.
• Old Mine Trail on Silly Mountain, Arizona.

See also

• List of mountains and hills of Arizona by height
• List of mountain ranges of Arizona
• List of mountain peaks of Arizona
• Portal:Mountains

References

1. ^ "Silly Mountain, Arizona". Peakbagger.com. Peakbagger.com. November 1, 2004. Retrieved November 21, 2022.
2. ^ Czinar, Mare. "Arizona hike: Silly Mountain Park". The Arizona Republic. Gannett. Retrieved November 21, 2022.
3. "Affected Environment" (pdf). Phoenix Resource Area Resource(s) Management Plan (RMP). Arizona: U.S. Department of the Interior Bureau of Land Management Phoenix District (published December 1987). May 21, 2012. pp. 91, 92.
4. Champagne Tastes (February 13, 2020). "Silly Mountain Hiking Trails (Apache Junction, AZ)". Champagne Tastes. Retrieved December 6, 2022.
5. Martinez, Gabby. "Hike High Point Trail Silly Mountain". Arizona Hikers Guide. Retrieved November 28, 2022.
6. Kollenborn, Thomas (August 20, 2012). "King's Place Names". Tom Kollenborn Chronicles. Kollenborn Chronicles. Retrieved November 28, 2022.
7. Jones, Vaughan (November 15, 2021). "Q&AZ: How did Apache Junction's Silly Mountain get its name?". KJZZ. KJZZ. Retrieved November 27, 2022.
8. Berresford, Peter (September 1998). "Hunting the hedgehog". British Cactus & Succulent Journal. 16 (3): 115–126. JSTOR 42792617. Retrieved November 14, 2022.
9. "Not really a mountain; more an interesting hill". 49-SillyMountain. not specified. Retrieved December 7, 2022.
10. ^ "Silly Mountain Trailhead". Natural Atlas. Natural Atlas. Retrieved December 12, 2022.
11. "Silly Mountain sightings". eBird. eBird. Retrieved December 24, 2022.
12. R.V., Fodor; Kelly, Johnson (July 15, 2016). "Origin of Miocene andesite and dacite in the Goldfield–Superstition volcanic province, central Arizona: Hybrids of mafic and silicic magma mixing". Geochimica et Cosmochimica Acta. 185: 394–417. Bibcode:2016GeCoA.185..394F. doi:10.1016/j.gca.2016.04.001.
13. Skotnicki, S.J.; Ferguson, C.A. "Geologic map of the Goldfield Quadrangle and the northern part of the Superstition Mountains. SW Quadrangle, Maricopa and Pinal Counties, Arizona". AZGS Document Repository. Skotnicki, S.J. Ferguson, C.A. Retrieved December 4, 2022.
14. "Silly Mountain Mine – Apache Junction, AZ". Waymarking.com. Groundspeak. December 11, 2018. Retrieved December 9, 2022.
15. "Silly Mountain Park". MTΒikeAZ. MTΒikeAZ. Retrieved December 5, 2022.
16. "City of Apache Junction. Silly Mountain Park". Apache Junction Arizona. Apache Junction GIS. Retrieved November 21, 2022.
17. Davis, Kalvin (2021). It Looms Above the Valley. A Photographer's 18-Month Experience Capturing the Superstition Mountains. pp. 13–14. Retrieved November 21, 2022.
18. Superstition Area Land Trust. "Botanical Walk". Superstition Area Land Trust. Superstition Area Land Trust. Retrieved November 21, 2022.
19. United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Public Lands and Forests (2009). Public lands and forests bills : hearing before the Subcommittee on Public Lands and Forests of the Committee on Energy and Natural Resources, United States Senate, One Hundred Eleventh Congress, first session, on S. 409, S. 782, S. 874, S. 1139, S. 1140, June 17, 2009. Washington: U.S. G.P.O. ISBN 9780160839955. Retrieved November 27, 2022.
20. "Silly Mountain Park". World of Arizona. World of Arizona. 2022. Retrieved November 20, 2022.

External links

• Apache Junction Park
• Superstition Area Land Trust
• Nina Mason Pulliam Charitable Trust

33°22′50″N 111°29′00″W / 33.380551°N 111.483335°W / 33.380551; -111.483335

• Superstition Mountains
• Mountains of Arizona
• Mountains of Pinal County, Arizona
• Landforms of Pinal County, Arizona
• Volcanic plugs of Arizona
• Tonto National Forest
• Tourist attractions in Arizona
• Geography of Pinal County, Arizona
• Protected areas of Pinal County, Arizona
• Parks in Pinal County, Arizona
• Volcanoes of Arizona