| Hochmoos Formation | |
| Type: | Formation |
| Age: | Santonian ~ |
| Period: | Santonian |
| Prilithology: | Mudstone, sandstone, shale |
| Region: | Central Europe |
| Country: | Austria |
| Unitof: | Gosau Group |
| Subunits: |
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| Underlies: | Bibereck Formation |
| Overlies: | Grabenbach Formation |
The Hochmoos Formation is a geologic formation in Austria. It preserves fossils dated to the Santonian of the Cretaceous period.