Around here
Around Allegheny River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Allegheny River is a 43.6 mile river. Streamflow is measured at the USGS gauge Allegheny River at Franklin, PA (site 03025500). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1941 to 2026
Allegheny River typically runs highest in April, at a median 17,400 cfs, and lowest in August, at 2,690 cfs. The highest flow on record for any single day is 124,000 cfs, in 1956.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 11,400 | 6,110 to 20,300 |
| February | 9,550 | 5,770 to 18,500 |
| March | 16,400 | 10,800 to 25,800 |
| April | 17,400 | 10,850 to 25,000 |
| May | 10,100 | 6,520 to 17,300 |
| June | 4,510 | 3,035 to 9,580 |
| July | 3,110 | 2,310 to 5,560 |
| August | 2,690 | 1,980 to 3,960 |
| September | 2,840 | 1,915 to 4,375 |
| October | 3,700 | 2,480 to 6,750 |
| November | 8,620 | 4,765 to 14,550 |
| December | 13,200 | 7,770 to 20,500 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 86 years of record. Statistics published by the US Geological Survey for Allegheny River at Franklin, PA (site 03025500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
8 mapped launches sit in the mapped area of Allegheny River. Ramp data comes from the USGS national boat-ramp inventory.
- 19th Street SharpsburgAllegheny RiverRestricted
- Sharpsburg Island MarinaAllegheny RiverPublic
- Deer CreekAllegheny RiverPublic
- SpringdaleAllegheny RiverPublic
- Cheswick MarinaAllegheny RiverRestricted
- Logan's Ferry MarinaAllegheny RiverRestricted
- Lighthouse Marine Sales, Inc.Allegheny RiverPublic
- TarentumAllegheny RiverPublic
Made to print
Put Allegheny River on your wall
This river section as an art print, drawn over the real terrain with its miles, plus the trails, roads and peaks around it. Pick the colors and the size, and see the finished print before you buy. From $39, shipping included.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Allegheny River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
