The Aggenstein is a mountain, 1,986 metres high (according to German survey: 1,985.4 m) in the Allgäu Alps on the border Bavaria, Germany and Tyrol, Austria. It is located in the Bavarian part of the Tannheim Mountains , a few kilometres south of Pfronten (Ostallgäu ).

Location and surrounding area

The prominence of the Aggenstein is at least 266 metres, its isolation is 1.8 kilometres, the Brentenjoch being the reference peak.

Routes to the summit

• Via Pfronten – Breitenberg – Böser Tritt – Bad Kissinger Hut (Alpine Club hut) – summit (ca. 2.5 hours)
• Via Pfronten Breitenberg – Böser Tritt – Langer Strich – summit (ca. 2 hours); cable car available
• Via Pfronten – Reichenbach-Klamm – Bad Kissinger Hut (Alpine Club hut) – summit (ca.