Around here
Around Charles River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Charles River is a 62.1 mile river near Adventures Unbound: Nahanton Park Boathouse in Massachusetts. Streamflow is measured at the USGS gauge Charles River at Medway, MA (site 01103280). The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1998 to 2026
Charles River typically runs highest in March, at a median 165 cfs, and lowest in September, at 17 cfs. The highest flow on record for any single day is 1,760 cfs, in 2010.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 121 | 86 to 191 |
| February | 118 | 74 to 182 |
| March | 165 | 113 to 269 |
| April | 160 | 102 to 236 |
| May | 95 | 59 to 141 |
| June | 58 | 40 to 113 |
| July | 31 | 12 to 72 |
| August | 18 | 8.3 to 40 |
| September | 17 | 7.2 to 42 |
| October | 41 | 13 to 84 |
| November | 60 | 34 to 119 |
| December | 104 | 54 to 185 |
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 29 years of record. Statistics published by the US Geological Survey for Charles River at Medway, MA (site 01103280). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
5 mapped launches sit in the mapped area of Charles River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Ashland ReservoirAshland ReservoirPublic
- Town of Milton LandingNeponset RiverPublic
- Lake CochituateLake CochituatePublic
- Charles RiverCharles RiverPublic
- Charles RiverCharles RiverPublic
Made to print
Put Charles 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 Charles 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.
