| Rigidalstock | |
| Elevation M: | 2593 |
| Prominence M: | 133 |
| Prominence Ref: | [1] |
| Map: | Switzerland |
| Location: | Nidwalden/Obwalden, Switzerland |
| Range: | Urner Alps |
| Coordinates: | 46.8522°N 8.4196°W |
The Rigidalstock is a mountain of the Urner Alps, located on the border between the cantons of Nidwalden and Obwalden in Central Switzerland. It lies south of the Gross Walenstock.
The closest locality is Engelberg on its southern side.