Echtdampf-Hallentreffen is an indoor live steam model event in Friedrichshafen, Germany, presenting working steam-powered model railways, road vehicles, ships and stationary installations.

Its central feature is a track layout of more than 4 km for 5-inch and 7.25-inch gauges, allowing visitors to see miniature steam locomotives and mechanical models operating in Halls B2 and B3 at Messe Friedrichshafen.

The event serves live steam model builders, model railway enthusiasts, collectors and family visitors through model displays, ride-along experiences and steam engineering culture.