Where is Independence Rock, Alcova, Wyoming?

Written by | Updated On: December 09, 2025, 14:28 ET

Independence Rock is located in Wyoming, USA. It lies between Casper and the South Pass and is situated in a wide, open plains area. It is famous for being a landmark for pioneers traveling on the Oregon Trail.

Independence Rock Location Map, Alcova, Wyoming

Where is Independence Rock Located in Alcova, Wyoming
About Map: The map showing location of Independence Rock in the Alcova, Wyoming in the United States.

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Top Attractions Inside Independence Rock

  • Historic Landmark – Large granite rock known as a key landmark on the Oregon Trail.
  • Pioneer Inscriptions – Names carved by settlers traveling westward during the 19th century.
  • Walking Trails – Paths around the rock offering scenic views and access to historic sites.
  • Interpretive Signs – Educational displays about the rock’s significance and pioneer history.
  • Picnic Areas – Designated spots for rest and outdoor meals near the historic site.
  • Photography & Scenic Views – Opportunities to capture the unique rock formation and surrounding plains.
  • Wildlife Observation – Spotting local flora and fauna in the high plains environment.

Independence Rock Facts

Official NameIndependence Rock
LocationNatrona County, Wyoming, USA — southwestern Natrona County along Wyoming Highway 220
Latitude & Longitude≈ 42.4941° N, 107.1326° W
Total Area / ExtentRock outcrop covers nearly 25–27 acres; monolith ~1,900 ft (580 m) long × ~850 ft (260 m) wide, rising ~130–136 ft (40–41 m) above surrounding terrain
Elevation≈ 6,030 ft (1,838 m) above sea level
DesignationDeclared a National Historic Landmark January 20, 1961; listed on National Register of Historic Places October 15, 1966; part of Independence Rock State Historic Site, managed by Wyoming State Parks, Historic Sites & Trails
Historical Significance / RoleFamous mid‑19th century landmark for emigrants on the Oregon Trail, California Trail, Mormon Trail, and the Pony Express — served as a “way‑point” and milestone en route west; many travelers carved names & messages on the granite, making it a “Register of the Desert”
Origin of NameNamed because early fur‑trappers (or emigrants) celebrated the U.S. Independence Day (July 4) beside it — tradition held that those reaching it by July 4 were safely on their way west
Geological / Physical DescriptionLarge isolated granite monolith (Archean granite), at southeast end of the Granite Mountains; rounded dome formed by weathering and exfoliation
Visitor Site / StatusOpen to public as part of Independence Rock State Historic Site — footpath around base, interpretive exhibits, visible emigrant inscriptions, rest area with amenities
Activities & FeaturesHiking / climbing on rock (visitors may climb to view inscriptions), historical‑interpretation displays, picnic / rest‑area facilities, opportunities to see wagon‑trail ruts nearby
Access / Nearest Reference PointsAccessible via Wyoming Highway 220 — about 55 miles (≈ 89 km) southwest of Casper, WY; about 20 miles (≈ 32 km) northeast of Muddy Gap
Official / Info Sourcehttps://www.nps.gov/places/independence-rock-state-historic-site.htm

Distances from Independence Rock to Nearby Landmarks

  • Sweetwater River – 1 km (0.6 mi)
  • South Pass City – 50 km (31 mi)
  • Atlantic City, Wyoming – 55 km (34 mi)
  • Fremont County Museum (Lander, WY) – 115 km (71 mi)
  • Fort Bridger Historic Site – 230 km (143 mi)
  • Lander, Wyoming (city center) – 115 km (71 mi)
  • Rock Springs, Wyoming – 240 km (149 mi)
  • Fort Washakie / Wind River Reservation – 150 km (93 mi)
  • Oregon Trail Ruts Historic Site – 5 km (3 mi)
  • Red Desert, Wyoming – 80 km (50 mi)
  • Wyoming Range Mountains – 60 km (37 mi)
  • Shoshone National Forest (southern edge) – 180 km (112 mi)
  • Fossil Butte National Monument – 180 km (112 mi)
  • Green River, Wyoming – 210 km (130 mi)
  • Wind River Canyon – 130 km (81 mi)