| Note ID | Start Time (US/Mountain) | End Time (US/Mountain) | Entrant | Note |
| 38338 |
28 Feb 2025 @ 1655 |
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aferrara |
36 bubblers, spouter on Rainbow's rim constant 3-4'. Overflow seems to slightly wax and wane.
rim spouter shut off @1704, and restarted about 45s later |
| 38313 |
25 Feb 2025 @ 1045 |
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K.Cooper |
Counter at least thirty separate bubblers around the pool edges, including some in the bacterial mats under the boardwalk. Two bubblers inside the pool jetting three ft. Entire pool lightly undulating and waving |
| 38224 |
30 Jan 2025 @ 1115 |
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aferrara |
at least 14 small frying pans active between rim of rainbow pool and boardwalk. |
| 23782 |
12 Sep 2022 @ 1950 |
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Graham |
Appears to be some wash between Rainbow Pool and Sunset Lake from a spot that was under the old boardwalk toward the new boardwalk. not sure how long it's been washed as this was my first visit after a guide said there was sinter on the boardwalk and dead bacteria mat in BSB. I saw none of that other than the small area of wash. Anyone else seen anything or knows if the wash is fresh? |
| 21105 |
27 Apr 2022 @ 1012 |
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DanS |
Bubbler active, splashing west area Rainbow pool. |
| 16428 |
15 Oct 2020 @ 1208 |
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jonp |
Water level 1/2 inch below rim. |
| 15954 |
04 Sep 2020 @ 1150 |
04 Sep 2020 @ 1200 |
Janet Jones |
Heavy overflow out as far as it goes. Bubbles rising in numerous spots and upwelling in two places. |
| 14204 |
18 May 2020 @ 2302 |
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Janet Jones |
Lots of overflow - consistently drowning out Handkerchief Pool. Also overflowing more was Emerald Pool.Videos are up on my Instagram account: https://www.instagram.com/yellowstonenaturalist |
| 10523 |
02 Oct 2018 @ 0810 |
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Micah Kipple |
Standing puddles cover a smaller area than Janet's original observation. No evidence of heavy wash or killed bacteria this morning. |
| 10517 |
01 Oct 2018 @ 1619 |
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Janet Jones |
Has had significant overflow recently that washed under the boardwalk. |
| 3700 |
21 Sep 2016 @ 1030 |
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geysergaze |
Very light surging when handkerchief pool not erupting . Otherwise calm. |
| 3696 |
20 Sep 2016 @ 1110 |
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Janet Jones |
Rainbow Pool had quite a bit of an 'overflow' area that was wet - and the water was welling up near where I recall seeing the eruption in photos shared by others. |
| 15227 |
27 May 1996 @ 0000 |
27 May 1996 @ 2359 |
JarnoO |
active to 6ft |
| 15217 |
21 May 1996 @ 1200 |
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JarnoO |
evidence of an eruption lately; d=>1d? Full and boiling on Sunday (1996-05-19) {generic time} |
| 14305 |
23 May 1995 @ 0000 |
23 May 1995 @ 2359 |
JarnoO |
down 1 foot |