| Date: | 2021-04-24 |
| Time: | 1321 |
| Geyser: | Grotto Fountain |
| Webcam: | No |
| Initial: | No |
| Major/Minor: | N/A |
| Duration: | 25m 43s |
| Standardized Duration: | 25m 43s |
| Time Entered: | 2021-04-24 13:22:33 |
| Time Updated: | 2021-04-24 13:49:52 |
| Time Uploaded: | 2021-04-24 13:49:54 |
| Entrant: | RMichaels |
| Observer: | |
| Submitted to: | GeyserTimes for Android |
| Comments: | Fantastic eruption with huge steam-driven bursts toward the end. I wouldn't be surprised if some of them hit 50 ft. |