| Date: | 2025-06-29 |
| Time: | 0914 |
| Geyser: | Grotto |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 108m |
| Standardized Duration: | 1h 48m |
| Time Entered: | 2025-06-29 09:29:09 |
| Time Updated: | 2025-06-29 11:05:30 |
| Time Uploaded: | 2025-06-29 11:05:30 |
| Entrant: | BrianR |
| Observer: | BrianR |
| Submitted to: | GeyserTimes for iOS |
| Comments: | South Grotto Fountain and Startling also splashy in the build up to the eruption |