The mission of the Tuolumne Historical Railroad Association (THRA) is to preserve, enhance, and interpret the rich railroad history of Tuolumne County, California, and the surrounding region. We sponsor various projects and events for the benefit of Tuolumne County, the railroad community, and the public.
Join Us!
THRA Membership
Help us preserve, enhance, and interpret the rich railroad history of Tuolumne County. Members also receive multiple discounts.
Tuolumne Railroad Weekend
April 17-19, 2026
This fun and educational annual event will include an excursion train, the West Side Reunion, a special Banquet and Raffle, and the Sierra Railway Seminar.
Train Excursions
THRA sponsors occasional excursion trains originating in Jamestown and Oakdale.
Field Trips & Other Events
At various locations and times of the year, THRA organizes opportunities to gather and learn about specific Tuolumne railroad topics.