The Shenandoah Valley Steam & Gas Engine Association is an organization dedicated to preserving and restoring antique and vintage steam and gas engines, along with vintage farm tractors and equipment. Based in Berryville, Virginia, the association works to keep agricultural and mechanical heritage alive by bringing enthusiasts and the community together through events, information, and opportunities to participate.

Its activities include the annual Pageant of Steam, featuring displays and related events, as well as a toy show, tractor pulls, and a consignment sale. The association also shares rules for gas engine demonstrations and tractor pulls, news and event updates, and information about other shows, clubs, and area lodging. Members can find details about meetings, officers, club equipment, and membership.

The group welcomes support for antique and vintage tractor, truck, and steam engine clubs, and provides information for people interested in joining. Events are held at the Clarke County Ruritan Fair Grounds at 890 West Main Street in Berryville.