Fredonyer Pass
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Fredonyer Pass

Fredonyer Pass, elevation 5,751 feet (1,753 m), is a high mountain pass in Lassen County, California,[1] southwest of Susanville and southeast of Mount Lassen. It lies on the Great Basin Divide between the Feather River to the west and the Susan River and Honey Lake to the east.

The pass is traversed by State Route 36 and has virtually the same elevation as Morgan Summit to the west (sources vary). It is subject to snowfall during the winter.

Atlas Fredonyer

Fredonyer Pass received its name from Dr. Atlas Fredonyer, who discovered the pass in 1850.[2]

Fredonyer was born in Switzerland in about 1832.[3] In 1850, he traveled through the Humboldt River, Black Rock Desert and High Rock Canyon. He and his companions decided not to take the Lassen Trail and instead headed southwest from High Rock and discovered what is now known as Fredonyer Pass.[4][5]

In 1862, Fredonyer was convicted of incest and eventually pardoned by California Governor Leland Stanford.[6][7][8]

In 1880, Dr. Fredonyer died in San Francisco after colon surgery to remove a 16 ounce bottle that he had inadvertently lost inside his rectum after an attempt to alleviate a severe case of diarrhea.[3]


In the early 1900s, Fredonyer pass was known as Fredonia Pass.[1][9][10]

In 1995, there was an unsuccessful move to rename Fredonyer Pass to honor of Deputy Sheriff Larry David Griffith, who was slain in the line of duty.[6][7]

Fredonyer Pass is part of the approximate boundary between the Sierra Nevada and the Cascade Range. This irregular boundary is sometimes defined as the southern extent of Cenozoic igneous surface rock from the Cascade Range.[11] This boundary roughly follows the drainage of the North Fork Feather River southeast to Fredonyer Pass. Note that there are other Cenozoic igneous rocks in the Sierra (e.g., near Lake Tahoe), but there is a clear geological division near Fredonyer Pass, and points westward as far as the Sacramento Valley.

See also


  1. ^ a b c d "Fredonyer Pass". Geographic Names Information System. United States Geological Survey.
  2. ^ "How 15 passes got their names". Retrieved .
  3. ^ a b "Atlas Fredonyer dead at age 48". Feather River Bulletin. Quincy, California. 21 Aug 1880. p. 3. Retrieved 2019.
  4. ^ "Fredonyer's Pass--A Description of the Mountains in that Region by Dr. Fredonyer". Sacramento Daily Union. 9 (1279). 30 Apr 1855. Retrieved 2019.
  5. ^ "Report on the committee on Internal Improvements", Appendix to the Journals of the Senate and Assembly ... of the Legislature of the State of California ...: 1718, 1855, retrieved 2019
  6. ^ a b Gill, Shayla (1 Aug 1995). "Fredonyer Pass is now Griffith Pass (part 1)". Lassen County Times. Susanville, California. p. 1. Retrieved 2019.
  7. ^ a b Gill, Shayla (1 Aug 1995). "Fredonyer Pass is now Griffith Pass (part 2)". Lassen County Times. Susanville, California. p. 13. Retrieved 2019.
  8. ^ "Unblushing Effrontery". The Plumas Standard. Quincy, California. 14 Jun 1862. p. 2. Retrieved 2019.
  9. ^ Fairfield, Asa Merrill (1916). Fairfield's Pioneer History of Lassen County, California. p. 20. Retrieved 2019.
  10. ^ Decisions of the United States Geographic Board 1916 to 1918. p. 12. Retrieved 2019.
  11. ^ "California Geomorphic Provinces" (PDF). California Geological Survey. 2002. Archived from the original (PDF) on 2004-07-21.

External links

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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