| Date: | 2021-06-15 |
| Time: | 1712 ie |
| Geyser: | Grotto |
| Webcam: | Yes |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2021-06-15 17:17:20 |
| Time Updated: | 2021-06-15 19:24:06 |
| Time Uploaded: | 2021-06-15 19:24:06 |
| Entrant: | JarnoO |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | within 10 minutes of start; started during Old Faithful wait; done by 1923 |