| Built: | Prehistorical, possibly medieval |
| Type: | Wallburg |
| Condition: | burgstall (no above-ground ruins) |
| Location: | Eggolsheim-Tiefenstürmig-Flur "Heiligkreuzholz" |
| Coordinates: | 49.8296°N 11.1264°W |
| Map Type: | Germany |
| Code: | DE-BY |
The field fortification of Tiefenstürmig (German: Abschnittsbefestigung Tiefenstürmig) is a levelled, probably prehistorical, sector fortification at a height of in the area known as Heiligkreuzholz about 600 metres east of the village centre of Tiefenstürmig, in the market municipality of Eggolsheim in the county of Forchheim in the south German state of Bavaria.
Nothing has survived of the circular rampart site and there is no visible evidence of a medieval ground level residence.