Engine #8 approaching on the model railroad tracks with switches and scenery
Est. 1986 · Nevada County Fairgrounds · Grass Valley, CA

Nevada County
Narrow Gauge

Historical Model Railroad

Watch miniature trains travel through local towns and landscapes, recreating the railroad that served Nevada County from 1876 to 1942.

Plan Your Visit Explore the Railroad Map About the Layout

When You Can Visit

We are open to the public only during events published on this site.

These usually coincide with major Nevada County Fairgrounds events. Layout hours may differ from fairground event hours.

Get Directions to the Fairgrounds

Next Published Event: Draft Horse Classic

Event dates: Thursday, September 17, 2026 - Sunday, September 20, 2026

Read the event details for layout hours. If no times are listed, hours are still to be announced.

View Event Details

Local History in Miniature

Volunteers have built and maintained the layout since 1986. Follow trains through miniature Nevada City, Grass Valley, Chicago Park, and Colfax, including the Bear River Bridge.

On-board cameras bring a train-level view of the towns, yards, and bridges to our Train Cam TV display.

See Layout Photos How the Layout Works
Miniature freight cars beside a trackside building and wooded hills
Trackside scenery on our model railroad.
N.C.N.G. Historical Model Railroad building at the Nevada County Fairgrounds with Railroad Crossing sign and Historical Exhibit Open sandwich board

Visit the Layout

We are open to the public only during events published on this site.

Nevada County Fairgrounds
11228 McCourtney Rd
Grass Valley, CA
Plan Your Visit Get Directions

Help Maintain the Layout

Donations help cover upkeep, repairs, scenery work, rolling stock, wiring, and improvements to the building and display.

Support the Layout

Become a Volunteer

If you like trains, local history, scenery, wiring, carpentry, or talking with visitors, there's useful work to do.

Volunteer With Us

Note: The N.C.N.G. Historical Model Railroad is a separate organization not affiliated with other museums or groups.