Allagash River Flow Today
As of October 23, 2026 at 4:00 AM, the Allagash River is flowing at 356 cfs near Allagash, ME — 31% of normal for the date and down 10% in 24 hours. ❤ Favorite
Allagash River map
See the Allagash River on a live map
Every gauge, dam and paddle run on the river, one tap each:
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Allagash 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 Allagash, the Allagash River is running 356 cfs — 31% of normal, down 10% since yesterday. Along the river, 1 of 1 reporting gauges are below normal (the typical gauge is at 31% of normal).
In the last 24 hours the river is dropping at Allagash (-10%).
How the Allagash 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
- Allagash611 ft 356 cfs31%
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 Allagash River streamgauge, placed by its own percent of normal. The line is the typical gauge (31%).
Allagash River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Allagash River Near Allagash ME
Oct 23, 4:00 AM · USGS 01011000 |
356 cfs | 31% | -10% | 2.11 ft | 12.9 ft below | 611 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.
Dams & reservoirs on the Allagash River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Allagash 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).
Allagash River
The Allagash River is a 92-mile-long tributary of the St. John River in northern Maine. It was historically an important waterway for logging, particularly during the late 19th and early 20th centuries. Today, it is a popular destination for recreational activities such as canoeing, fishing, and camping. The river is fed by several smaller streams and is home to various species of fish, including brook trout and landlocked salmon. There are no major reservoirs or dams on the river, although there are several smaller dams that control water flow. The Allagash River is also used for agricultural purposes, particularly for hay production.
About the Allagash River
How is the Allagash River flowing right now?
As of October 23, 2026, the Allagash River is flowing at 356 cfs near Allagash, ME, about 31% of normal for the date. Every gauge’s live reading is in the table above.
Is the Allagash River running high or low?
The typical gauge on the Allagash River is at 31% 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.
What is flood stage on the Allagash River?
The National Weather Service sets flood stages for Allagash (15.0 ft). The table shows how far each gauge is below its flood stage right now.
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.