Grotto
| Object type | Drawing |
| Genre | Landscape |
| Dimensions | 34.8 x 25.2 cm |
| Support | Paper |
| Medium | Pen and brush in brown, brown and blue-gray wash |
| Further inscription | "Joos de Momper" (later hand); Jan Brueghel signature (revealed after restoration) |
| Other authorities | Bailey/Walker cat. #DRES.KK.6 |
| Location | Dresden, Germany |
| Collection | Staatliche Kunstsammlungen Dresden, Kupferstich-Kabinett |
| Accession numbers | C 3993 |
