The firing range 21 is located in the southern part of the training area Truppenübungsplatz near Niederalben. Firing ranges are giving the optimal conditions and supporting logistics areas for an accurate artillery practice. In the environment of this firing range finds are made of agates by employees of Truppenübungsplatz management.

It is absolutely forbidden to collect any minerals at this place, because this location is a part of the artillery range area. Militarypolice is controling even this abandoned area regulary.