• Home
  • Archives

Dave Knows Portland

Subscribe to Dave Knows Portland by Email

December 20, 1843: Fremont Maps Abert Rim

December 20, 2011 by Dave Leave a Comment

Lake Abert viewed from Abert Rim
Explorer John Charles Frémont mapped a massive fault scarp in what is now Lake County, Oregon on December 20, 1843. He named the 30 mile long fault Abert Rim, after Colonel John James Abert, his commanding officer. Topped with an 800 foot lava cap and rising 2500 feet above the valley floor and 2000 feet above adjacent Lake Abert (also named after the colonel), it is one of the largest exposed fault scarps in North America, and one of the highest in the world.

Filed Under: History, Oregon, This Day in History

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Dave Knows Portland Archive

Copyright © 2023 · Magazine Pro Theme on Genesis Framework · WordPress · Log in