The Rietzer Grießkogel lies just under eight kilometres as the crow flies south of Telfs, 27 kilometres west of Innsbruck and five kilometres northwest of St. Sigmund im Sellrain. Its neighbouring summits are the Bachwandkopf (2,758 m) to the west, the Hocheder (2,798 m) to the northeast and the Schartenkogel (2,603 m) to the southeast. To the southwest the Rietzer Grießkogel drops into the Alpine pasture of Oberer Zirmbachalm (2,100 m) with gradients of 30 to 50°.