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California National Historic TrailWind River Mountain Range in Southwestern Wyoming.
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California National Historic Trail
Auto Tour Route - Idaho

Below the map are suggested driving directions to follow the Auto Tour Route for the California National Historic Trail west through Idaho, from Wyoming to Utah & Nevada:



 
Auto Tour Route driving directions across Idaho.
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Auto Tour Route driving directions across Idaho.
 
From Wyoming to Nevada:

1. Take U.S. Route 30 west to Interstate 15.
2. Turn north on Interstate 15.
3. Take Interstate 15 north to Interstate 86.
4. Turn west onto Interstate 86 at Pocatello.
5. Take Interstate 86 west to Interstate 84.
6. Turn south onto Interstate 84.
7.  Follow I-84 south to State Route 77.
8.  turn west on SR 77 to the City of Rocks Backcountry Byway.
9. Follow the COR Backcountry Byway to State Road 27.
10. Turn north on SR 27 to U.S. Route 30.
11. Follow U.S 30 west to U.S. Route 93.
12. Turn south on U.S 93 to the Nevada border.

From Wyoming to Utah:

1. Take U.S. Route 30 west to Interstate 15.
2. Turn north on Interstate 15.
3. Take Interstate 15 north to Interstate 86.
4. Turn west onto Interstate 86 at Pocatello.
5. Take Interstate 86 west to Interstate 84.
6. Turn south onto I-84.
7. Follow I-84 south to Interstate 15 and Salt Lake City.


Total original route miles in Idaho (including alternate routes): 457

Back to auto tour route map page.

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Oregon, California, & Mormon emigrants, as well as Pony Express riders traveled over South Pass, Wyoming  

Did You Know?
Until discovered by William Sublette in the 1830s, most Americans thought the Rocky Mountains were impassable. Lewis and Clark passed through the Rockies north of this location, via the Missouri River in 1805.
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Last Updated: October 30, 2006 at 11:26 EST