Independence Rock

E648749

Independence Rock is a large granite outcrop in central Wyoming that served as a prominent landmark and milestone for emigrants traveling the Oregon, California, and Mormon Trails in the 19th century.

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Statements (47)

Predicate Object
instanceOf geologic formation
granite outcrop
historic landmark
accessibleBy U.S. Route 220 NERFINISHED
area about 24.81 acres
associatedWithEvent 19th-century westward expansion in the United States
circumference about 5,900 feet
climbingAllowed yes
country United States of America
surface form: United States
culturalSignificance symbol of progress for emigrant wagon trains reaching it by early July
designated National Historic Landmark NERFINISHED
earliestInscriptionsDate early 19th century
elevation about 5,300 feet above sea level
eraOfMajorUse 1840s
1850s
feature covered with emigrant names carved and written on the rock
formationProcess erosion-resistant granite outcrop left by weathering
geologicComposition granite
hasInterpretiveSigns yes
height about 136 feet above surrounding plain
historicalRole milestone for 19th-century westward emigrants
length about 1,900 feet
listedOn National Register of Historic Places
locatedIn Natrona County, Wyoming NERFINISHED
Wyoming
locatedInRegion central Wyoming
locatedOn North Platte River NERFINISHED
managedBy Wyoming State Parks, Historic Sites & Trails NERFINISHED
namedFor United States Independence Day NERFINISHED
nameOriginExplanation emigrants aimed to reach the rock by July 4 to stay on schedule to cross the Rockies before winter
nationalHistoricLandmarkDesignationYear 1961
nationalRegisterListingYear 1966
nearestCity Casper, Wyoming NERFINISHED
nickname Register of the Desert NERFINISHED
partOf Independence Rock State Historic Site NERFINISHED
protectedStatus state historic site
significance major landmark on the California Trail
major landmark on the Mormon Trail
major landmark on the Oregon Trail
touristAttraction yes
trailAssociation California Trail NERFINISHED
Mormon Trail NERFINISHED
Oregon Trail NERFINISHED
view panoramic views of the surrounding prairie and North Platte River valley
visitorActivities hiking
historical interpretation
viewing emigrant inscriptions

Referenced by (1)

Full triples — surface form annotated when it differs from this entity's canonical label.

Sweetwater River crossesNear Independence Rock