A visit to the Snoqualmie Depot at 38625 SE King Street is free as are the outdoor exhibits. Train excursions require a ticket, typically $20 for adults & $10 for children. The Train Shed exhibit building at 9320 Stone Quarry Road has an admission fee of $10 for adults and $5 for children; the building is open Thursday - Sunday, April - October. Most train excursions include a visit to the Train Shed. There are a variety of special events throughout the year, too. Prices and times vary; most programs have a seniors discount too. Please visit the main web site at www.TrainMuseum.org for more information. Thank you for your interest.
Free museum
https://www.trainmuseum.org/ the website has a lot of information. Hope this helps.
Visting is free , Free train rides are also available at particular timings
I think visiting the museum is free. Tickets are needed for train rides.
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