| Hohgrat | |
| Elevation M: | 996 |
| Prominence M: | 106 |
| Prominence Ref: | [1] |
| Parent Peak: | Hörnli |
| Listing: | Canton high point |
| Location: | Thurgau/St. Gallen, Switzerland |
| Range: | Appenzell Alps |
| Map: | Switzerland |
| Coordinates: | 47.3854°N 8.9661°W |
The Hohgrat (also known as Groot) is a mountain located on the border between the Swiss cantons of Thurgau and St. Gallen. Reaching a height of 996 metres above sea level, it is the highest point of the canton of Thurgau.
The mountain is densely forested, except the eastern (St. Gallen) side, which includes some limestone cliffs.