Tuolumne Historic Railroad Association, Inc.

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!

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Excursion Trains

Excursion Trains

THRA sponsors occasional excursion trains originating in Jamestown and Oakdale.

Railway Seminar

Sierra Railway Seminar

The Sierra Railway Seminar is a fun annual event featuring historical presentations.

THRA Membership

THRA Membership

Help us preserve, enhance, and interpret the rich railroad history of Tuolumne County.