In 1912, a group of small town businessmen in South Dakota undertook an ambitious project to create a useful automobile route, the Yellowstone Trail, across America. This was at a time when roads weren't marked, there were few maps and slippery mud was the usual road surface.
The Yellowstone Trail Association located a route, motivated road improvements, produced maps and folders to guide the traveler, and promoted tourism along its length. It became a leader in stimulating tourist travel to the Northwest and motivating good roads across America.
Today, almost all of the route of the Yellowstone Trail is on slower, less traveled roads. Some sections of the Trail, especially in the West, have remained little changed and are a delight to visit.
We are the modern version of the YT Association with members who enjoy exploring the YT, learning about its history, researching its location, and exchanging information and ideas. Join in!
Note for the newcomer:
In the 1910s and 1920s “Trail” was used to mean a long-
If you are not pulling a car out of the mud, keep your horse off the road!
The maps here are older versions of the maps released in the Ridge’s 2021 book.
Your comments, suggestions, corrections, and anything else about the website that might be helpful may be sent to YTA@yellowstonetrail.org
Alice and John Ridge released their new book:
“A Good Road from Plymouth Rock to Puget Sound,
The modern Guide to driving the
Historic Yellowstone Trail, 1912-
To join or renew, click here:
If you have questions or need assistance,
send an email to email@example.com
March 3, 2022
This site is again being updated and modified. Some things might not work for a few days.
Click on YTA to:
Learn about the Yellowstone Trail Association
Join the YTA
Donate to the YTA
Help with the interpretive sign project.
See an Arrow Newsletter
Join the Forum
Learn of events
Click on LEARN to:
Learn about the Yellowstone Trail
Read stories, essays, and notes
related directly or loosely
to the Yellowstone Trail
Enjoy discussions on the Forum
Click on MAPS to:
See state and regional
Maps of the Yellowstone Trail
These maps, while the most complete
and accurate available
“Works in Progress”
Let us know about your corrections,
additions, and suggestions.
Click on TALK to:
Ask a question.
Give us an opinion.
Tell us something.
Submit a correction.
Go to the Forum
Go to YTA on Facebook
Click on SHOP to:
YT Window Stickers
YT Tee Shirts
And other stuff