Boiling River Flow Today
As of October 22, 2026 at 1:15 AM, the Boiling River is flowing at 21 cfs at Mammoth, WY — 94% of normal for the date and up 2% in 24 hours. ❤ Favorite
Boiling River map
See the Boiling River on a live map
Every gauge, dam and paddle run on the river, one tap each:
- Gauges now — which reaches are high or low
- Dams & paddle runs — storage and what’s in range
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Boiling River conditions today
Where the river is running versus normal, what’s rising or dropping, and what it means for a trip — built from the live USGS readings below.
At Mammoth, the Boiling River is running 21 cfs — 94% of normal, up 2% since yesterday. Along the river, 1 of 1 reporting gauges are near normal (the typical gauge is at 94% of normal).
Paddlers: 1 of 1 runs on the Boiling River with a live range are in range.
How the Boiling River compares to normal
Every reporting gauge from the top of the river to the bottom: bar length is today’s flow, colour is percent of normal for the date.
Flow along the river, upstream to downstream
- Mammoth5,672 ft 21 cfs94%
Bar length uses a square-root scale so small headwater flows stay visible next to big downstream ones. Colour: <50% 50–90 90–110 110–150 150%+ of normal.
Where every gauge sits
One dot per Boiling River streamgauge, placed by its own percent of normal. The line is the typical gauge (94%).
Boiling River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | Elevation |
|---|---|---|---|---|---|
|
Boiling River At Mammoth WY
Oct 22, 1:15 AM · USGS 06190540 |
21 cfs | 94% | +2% | 1.11 ft | 5,672 ft |
USGS provisional data. Readings are in each gauge’s local time; gauges silent for more than 3 days are marked “Last reported”. Tap any gauge for its hydrograph, forecast and history.
Paddle runs on the Boiling River
1 of 1 run is in range right now. Each run is checked against its runnable range using the gauge it is keyed to (or the nearest gauge on this river).
| Run | Status | Flow now | Runnable range | Class |
|---|---|---|---|---|
| Begins Downstream Of Osprey Falls To Confluence With Yellowstone River, At The Northern Park Boundary Gauge: Mammoth |
In range | 21 cfs | 20–22 cfs typical | II–III |
Boiling River streamflow over time
Daily total flow across every monitored gauge on the river (this total last updated earlier; the live gauge readings above are current).
Boiling River
The Boiling River, located in the Amazon rainforest of Peru, is a natural phenomenon with a history dating back to the Inca civilization. This river is approximately 6.24 km long and is heated by geothermal activity, with temperatures reaching up to 90°C. The hydrology of the river is unique in that it is not sourced from any visible water source, and its flow is dependent on rainfall and geothermal activity. The river’s water is rich in minerals and has been used for centuries for its supposed healing properties. While there are no reservoirs or dams specifically associated with the Boiling River, there are hydroelectric power plants in the surrounding area. The Boiling River attracts tourists seeking to experience its natural beauty and therapeutic benefits, but it has no agricultural uses due to its high temperature.
Fishing near the Boiling River
About the Boiling River
How is the Boiling River flowing right now?
As of October 22, 2026, the Boiling River is flowing at 21 cfs at Mammoth, WY, about 94% of normal for the date. Every gauge’s live reading is in the table above.
Is the Boiling River running high or low?
The typical gauge on the Boiling River is at 94% of normal for the date. Above 100% means higher than the historical average for this calendar day; below 100% means lower. The profile above shows which reaches are high or low.
Is the Boiling River runnable for paddling today?
1 of 1 paddle run is in range right now. Each run in the paddle table is checked against its runnable range using its gauge's live flow.
Where does the data come from?
Discharge and gage height are from the USGS National Water Information System; flood stages from the National Weather Service. The history chart sums every monitored gauge on the river.
Can I get alerts for a gauge?
Yes — open any gauge from the table, favorite it in the Snoflo app and set a flow threshold.