Altenberg bei Linz is a municipality in the district of Urfahr-Umgebung in the Mühlviertel region in the Austrian state of Upper Austria.

Located on a southern part of the Zentralmühlviertler Hochland [de] at a altitude of 592 meters, the municipality has a view over the Mühlviertel region, Linz, the capital of Upper Austria as well as the so-called Zentralland and even the foothills of the Northern Limestone Alps.

[3][4] Neolithical finds, show that nomadic hunter-gatherers lived in the region at least temporarily.

Celtic Boii and Varisci people settled in the region in pre-Christian times.

In 1245 a document from Passau mentioned a man named "Dominus Karolus de Alkenperge".