| Date: | 2015-07-19 |
| Time: | 1204 |
| Geyser: | Grotto |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | |
| Time Entered: | 2015-07-19 12:50:54 |
| Time Uploaded: | 2016-08-05 12:27:16 |
| Entrant: | Scott Grisso |
| Observer: | |
| Submitted to: | Geysertimes.org |
| Comments: | Grotto Fountain was sustained to 4' but stopped completely less than 60 seconds after Grotto started. |