| Date: | 2006-07-03 |
| Time: | 1548 |
| Geyser: | Grotto |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 76 minutes |
| Standardized Duration: | 1h 16m |
| Time Entered: | 2013-07-14 13:43:45 |
| Time Uploaded: | 2019-05-13 21:39:57 |
| Entrant: | Tara |
| Observer: | Tara Cross |
| Submitted to: | Geysertimes.org |
| Comments: | Grotto had been rumbling and having occasional splashes since 1000. The central vents started erupting at 1445. |