33 or D38) of the Rhenish Massif in the German states of North Rhine-Westphalia and northwestern Hesse.
The uplands include several mountain and hill ranges that are commonly referred to as the Sauerland: In listing these ranges the Bergisches Land with its 519 m high peak of Homert (Oberbergischer Kreis) is often counted.
However these are foothills of the Ebbe Mountains, whilst the historic Bergisches Land lies on the slopes of the Süder Uplands as they gradually descend to the Rhine.
And the 633-metre-high Alte Burg lies geographically in the Siegerland, but is not the highest elevation of an independent ridge.
The Hessian Upland in turn is part of the Rothaar Mountains forming the eastern edge of the range.