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.
Welcome to Our Website!
Join Us
THRA Membership
Help us preserve, enhance, and interpret the rich railroad history of Tuolumne County.
Sierra Railway Seminar
The Sierra Railway Seminar is a fun annual event featuring historical presentations.
Historical Railroad Banquet
Join us for a special banquet on April 20, 2024 to celebrate Tuolumne Co. historical railroads.
Excursion Trains
THRA sponsors occasional excursion trains originating in Jamestown and Oakdale.