| Note ID | Start Time (US/Mountain) | End Time (US/Mountain) | Entrant | Note |
| 39540 |
31 May 2025 @ 0545 |
31 May 2025 @ 0618 |
ypcaribou |
Forceful steam cycling with less forceful steam. Almost looks post-eruptive (likely not) |
| 39207 |
21 May 2025 @ 0832 |
--- |
MAB |
steady moist roar |
| 38934 |
10 May 2025 @ 0902 |
10 May 2025 @ 1052 |
MAB |
didn't hear it until nearby - alternating between steam pushes then wet sprays |
| 38810 |
03 May 2025 @ 2117 |
--- |
K.Cooper |
very quiet - lightly huffing steam and water |
| 38781 |
03 May 2025 @ 1045 |
--- |
MAB |
1hr plus observation time - ranged from quiet to moderately forced steam- never really a roar |
| 38722 |
01 May 2025 @ 0849 |
--- |
rayceanderson |
Extremely loud steam with occasional sprays of water |
| 38659 |
27 Apr 2025 @ 0914 |
27 Apr 2025 @ 1200 |
MAB |
unceasing high pressure roar |
| 38562 |
21 Apr 2025 @ 1152 |
--- |
Graham |
Noisy steam phase |
| 38429 |
10 Apr 2025 @ 1530 |
--- |
SantaFe108 |
Remains in constant steam-phase. |
| 38287 |
23 Feb 2025 @ 1400 |
23 Feb 2025 @ 1600 |
K.Cooper |
Quiet up on arrival. By 1500 was back in incredibly loud steam phase. Cycling every minute between loud steam phase and incredibly loud steam phase. |
| 38017 |
16 Dec 2024 @ 0933 |
--- |
K.Cooper |
no change from yesterday |
| 38014 |
15 Dec 2024 @ 1625 |
--- |
K.Cooper |
Cycling every minute between calm and mixed phase 15ft. Observed one instance of water bursting to 30ft without much force from steam. Overall very quiet, no loud steam phase, cannot be heard from museum. |
| 38000 |
15 Dec 2024 @ 1443 |
--- |
SantaFe108 |
Silent from the museum, no change in volume either. |
| 37866 |
31 Oct 2024 @ 0925 |
--- |
MAB |
variable roar creating geyser snow |
| 37818 |
29 Oct 2024 @ 0852 |
--- |
MAB |
the usual cycling from drier steam to wetter sprays |
| 37751 |
24 Oct 2024 @ 1708 |
--- |
DanS |
Transitioned from quieter to noisy steam at about this time. Added big spray of water at 1721. |
| 37713 |
24 Oct 2024 @ 1152 |
--- |
SantaFe108 |
Variable volume steam-phase. |
| 37675 |
22 Oct 2024 @ 0834 |
22 Oct 2024 @ 1542 |
MAB |
steady moderate roar cycling to quieter w a little water returning to system in the morning transitioning to loud raucous roar w similar brief pauses before resuming spritzes by afternoon |
| 37532 |
12 Oct 2024 @ 1515 |
--- |
cb |
In roaring steam phase, no water, since yesterday. |
| 37533 |
11 Oct 2024 @ 1715 |
--- |
cb |
In roaring steam phase. no water |
| 37497 |
10 Oct 2024 @ 1228 |
--- |
SantaFe108 |
Emitting steam with variable volume. Guardian also just steaming. |
| 37346 |
03 Oct 2024 @ 1010 |
--- |
SantaFe108 |
Variable volume steam phase, from silent to Lion-like roars lasting ~10s. |
| 36804 |
06 Sep 2024 @ 1346 |
--- |
cb |
alternating periods of steam with stronger steam that includes a thin*ish veil of water. |
| 35498 |
23 Jun 2024 @ 1949 |
23 Jun 2024 @ 1955 |
nails |
Forced misty water during the huffs. Not loud. |
| 35445 |
22 Jun 2024 @ 1358 |
--- |
K.Cooper |
Light huffing steam |
| 35410 |
21 Jun 2024 @ 1401 |
--- |
nails |
Very light steam with louder huffs near the time water is splashing in the feature between Ledge and Guardian. |
| 35347 |
19 Jun 2024 @ 1134 |
--- |
Craigmon99 |
In powerful steam phase. Can hear from beyond the museum |
| 35348 |
19 Jun 2024 @ 1134 |
--- |
Craigmon99 |
In powerful steam phase. Can hear from beyond the museum |
| 35063 |
10 Jun 2024 @ 0902 |
--- |
SantaFe108 |
In variable volume steam-phase. |
| 34681 |
26 May 2024 @ 0626 |
--- |
ypcaribou |
Roaring steam heard and seen from top of hill at path branch. Heard from lot on arrival. Did not go down to confirm it was Ledge but in that general area. |
| 34375 |
28 Apr 2024 @ 1055 |
--- |
DanS |
Loud steam, including White vent. |
| 34369 |
28 Apr 2024 @ 0747 |
--- |
rayceanderson |
LOUD powerful steam phase. No water observed. |
| 34329 |
24 Apr 2024 @ 1110 |
--- |
DanS |
Cycling between noisy steam and throwing a little water. |
| 34227 |
19 Apr 2024 @ 0907 |
--- |
MAB |
dry huffing - continue thru the morning |
| 34175 |
11 Apr 2024 @ 1000 |
--- |
JR |
Extra loud roaring steam phase. Lots of mist. |
| 34125 |
17 Mar 2024 @ 1030 |
17 Mar 2024 @ 1320 |
Mkeller |
Main vent erupting 5-15 feet, in and out of steam phase. Wasn’t very loud but at times thick water then spray then steam then back to mostly water. Finger vents just steam. |
| 34083 |
01 Mar 2024 @ 0940 |
--- |
JR |
Loud roaring steam phase. No signs of water phase on boardwalk. |
| 33907 |
24 Jan 2024 @ 1100 |
--- |
JR |
Roaring steam phase. |
| 33752 |
06 Jan 2024 @ 1100 |
--- |
JR |
Loud roaring steam phase. |
| 31722 |
29 Nov 2023 @ 1613 |
--- |
JR |
Strong steam began today. Area around Ledge vents seems to be putting out more forceful steam than usual regardless of cold temperatures. |
| 29052 |
22 Oct 2023 @ 1318 |
--- |
SantaFe108 |
Roaring steam at variable volume. |
| 28984 |
21 Oct 2023 @ 0800 |
21 Oct 2023 @ 1700 |
JR |
Very strong steam roar. Near constant but had fluctuations of intensity. |
| 28907 |
20 Oct 2023 @ 0800 |
20 Oct 2023 @ 1111 |
MAB |
cycling between forceful steam & and occasionally quieting as water spritzes out then back to a steady roar |
| 28883 |
19 Oct 2023 @ 1301 |
--- |
DanS |
Constant forced steam. Switched to alternating quiet and forced steam around 1420. |
| 28750 |
12 Oct 2023 @ 1700 |
--- |
JR |
Loud steam, some mist. |
| 28697 |
07 Oct 2023 @ 1809 |
--- |
MAB |
Steady roar - from 0815-1205 it was a wet spray not noisy |
| 28642 |
05 Oct 2023 @ 1300 |
--- |
cb |
just gently steaming with cycles of a bit more forceful steam, but mostly just weak steam. |
| 28559 |
30 Sep 2023 @ 0708 |
--- |
ypcaribou |
Loud, continuous, roaring steam. Heard from path walking down from lot. Confirmed from jct to Back Basin |
| 28537 |
29 Sep 2023 @ 0950 |
--- |
DanS |
Loud forceful steam |
| 28374 |
20 Sep 2023 @ 1011 |
--- |
Micah Kipple |
Ledge at this time is taking pauses between forced steam episodes. |
| 28370 |
20 Sep 2023 @ 0910 |
--- |
Micah Kipple |
Steamphase has gotten much louder at this point. |
| 28369 |
20 Sep 2023 @ 0835 |
--- |
Micah Kipple |
In watery forced steam but not loud yet |
| 28294 |
17 Sep 2023 @ 0834 |
--- |
SantaFe108 |
Loudly forcing steam with variable volume, whole hillside is one giant cloud at the moment. |
| 28254 |
14 Sep 2023 @ 1110 |
14 Sep 2023 @ 1215 |
CP |
Unusually quiet. |
| 28234 |
12 Sep 2023 @ 1300 |
--- |
cb |
It is in LOUD forceful steam phase. Pretty sure i heard it in steam at 0500 at the gov area. |
| 28154 |
09 Sep 2023 @ 1130 |
--- |
steve |
Currently roaring out steam |
| 28018 |
04 Sep 2023 @ 1711 |
--- |
cb |
In forceful steam mode. not terribly loud tho |
| 27838 |
28 Aug 2023 @ 1550 |
--- |
cb |
Ledge is cycling between forceful steam & quiet periods about every 10-20s. no water |
| 27619 |
15 Aug 2023 @ 1035 |
15 Aug 2023 @ 1530 |
cb |
Alternating between quiet periods & loud forceful steam. |
| 27602 |
14 Aug 2023 @ 1654 |
--- |
cb |
forceful, loud steam |
| 27363 |
31 Jul 2023 @ 0746 |
--- |
MAB |
cycling wet-dry - not noisy forced steam |
| 27322 |
30 Jul 2023 @ 0547 |
--- |
ypcaribou |
Calmly steaming on arrival. Has been doing intermittent bursts of forceful steam and small splashing as seen/heard from Constant.
Side note: Plethora of tallish (2 ft?) Reed Canary Grass growing on hillside between Ledge/Jetsam and walkway. |
| 27306 |
28 Jul 2023 @ 2110 |
--- |
SantaFe108 |
Loudly forcing steam while walking to parking lot. |
| 27222 |
25 Jul 2023 @ 0937 |
--- |
mhreed |
Variable steam jetting this morning. |
| 27182 |
23 Jul 2023 @ 1530 |
--- |
mhreed |
Vigorous steam. Editing to add cb's observation that Ledge smells baaaaad. |
| 27136 |
20 Jul 2023 @ 0800 |
--- |
MAB |
high pressure noisy wet forced steam |
| 26870 |
06 Jul 2023 @ 1940 |
06 Jul 2023 @ 2015 |
nails |
Noisy steam |
| 26497 |
20 Jun 2023 @ 0706 |
--- |
SantaFe108 |
In loud, roaring steam phase. |
| 26431 |
17 Jun 2023 @ 1610 |
--- |
JSJ |
Gentle steaming to moderately-forced steaming, with some episodes of moderately-forced sprays of water. |
| 26417 |
17 Jun 2023 @ 0818 |
--- |
MAB |
Very Wet splashes - not with forced steam |
| 31172 |
14 Jun 2023 @ 1016 |
16 Jun 2023 @ 1017 |
Geyser Guy700 |
I was looking at my videos and noticed that Ledge was splashing up to 15ft. (Changed to a note after someone pointed it out) |
| 26299 |
14 Jun 2023 @ 1118 |
--- |
bhoppe |
loud roaring steam |
| 26198 |
09 Jun 2023 @ 0828 |
09 Jun 2023 @ 1301 |
MAB |
NOISY high pressure steady wet roar - occasionally quieting briefly later in this range but not much - still louder than Steamboat from Constant |
| 26049 |
05 Jun 2023 @ 0931 |
--- |
Graham |
Mostly quiet steam.droftomg from vent with occasional noisy steam rushes. |
| 25872 |
28 May 2023 @ 2028 |
--- |
SantaFe108 |
Perpetual mixed-phase jetting |
| 25718 |
23 May 2023 @ 1033 |
--- |
cb |
in heavy forceful steam along with valve & side vents. Palm pool is low & Jetsam is high |
| 25647 |
21 May 2023 @ 1048 |
--- |
SantaFe108 |
Wispy, mixed-phase jetting, cycling between weak and powerful. |
| 25528 |
18 May 2023 @ 0904 |
--- |
MAB |
annoyingly loud steady steam for 1st 4 hours - some water may have quieted it later but could have been squirrely winds |
| 25476 |
15 May 2023 @ 2026 |
--- |
ypcaribou |
Gently steaming. Some water squirted to maybe 20 ft at one point but returned to gentle steam. Nice sunset from the overlook above. |
| 28732 |
06 May 2023 @ 0830 |
--- |
research-mab |
5/6/2023
0830 – Ledge Geyser Steam phase heard from parking lot. Steam phase continued for at least 10 hours. Loud & aggressive |
| 24939 |
21 Jan 2023 @ 1530 |
--- |
ypcaribou |
Time approximate. Seen southbound from pullout on the long, downhill stretch of road between Norris Overlook & Norris Campground. "Ledge area was a lot more steamy than Steamboat. (Ledge area steam very tall.) But Steamboat had a few bursts of steam. No water bursts seen from either." |
| 24606 |
31 Oct 2022 @ 0828 |
31 Oct 2022 @ 1241 |
MAB |
Steam phase that quiets then increases with more force - repeat |
| 24587 |
30 Oct 2022 @ 1830 |
--- |
MAB |
strong continuous high pressure forced steam - I landed on my derriere on the bw by Basin G - freezing mist landing on my book at the Constant bench! |
| 24566 |
30 Oct 2022 @ 1359 |
--- |
ypcaribou |
Forceful steam, loud, no water spray I could see from near I S. |
| 24594 |
30 Oct 2022 @ 0845 |
--- |
MAB |
audible from just past bookstore |
| 24521 |
29 Oct 2022 @ 1804 |
--- |
MAB |
consistent forced moist steam then total pauses |
| 24536 |
29 Oct 2022 @ 0833 |
--- |
MAB |
seems quiet but Intersection Spgs are noisy! Definitely not roaring tho |
| 24508 |
28 Oct 2022 @ 0835 |
28 Oct 2022 @ 1841 |
MAB |
fairly quiet in the morn and seemed to get wetter as the day went on |
| 24466 |
21 Oct 2022 @ 1837 |
--- |
MAB |
cycling between fairly quiet and hollow steam as best I could hear in the swirling winds - did not walk down there |
| 24394 |
15 Oct 2022 @ 1820 |
--- |
MAB |
LOUD misty steam phase |
| 24414 |
15 Oct 2022 @ 0820 |
--- |
MAB |
In high pressure steam audible between bookstore and museum |
| 24377 |
14 Oct 2022 @ 1827 |
--- |
MAB |
strong mixed forced steam |
| 24387 |
14 Oct 2022 @ 0845 |
14 Oct 2022 @ 1130 |
MAB |
cycling between quiet and wet - neither very noisy |
| 24297 |
07 Oct 2022 @ 1055 |
07 Oct 2022 @ 1300 |
DanS |
Alternating between strong steam and moments of quiet with steam and a little water from red vent. White vent appears to be steam only. |
| 24263 |
05 Oct 2022 @ 1439 |
--- |
cb |
cycling mix steam water with brief semi pauses. Jetsam is overflowing, is a cloudy turquoise blue color |
| 23973 |
20 Sep 2022 @ 1935 |
--- |
ypcaribou |
Powerful steam heard from museum and parking lot on way out. |
| 23948 |
20 Sep 2022 @ 1519 |
--- |
ypcaribou |
Powerful, loud steam as observed from museum. |
| 23885 |
17 Sep 2022 @ 1710 |
17 Sep 2022 @ 1836 |
MAB |
dry hollow sounding forced steam alternating w quiet |
| 23822 |
14 Sep 2022 @ 1403 |
14 Sep 2022 @ 1436 |
ThomasR |
In mixed phase as seen from various angles in the Porcelain Basin. Fine jets of water alternating with steam. |
| 23809 |
13 Sep 2022 @ 1414 |
--- |
CP |
Very quiet. No roar at all. |