Thornapple River in Michigan
Around here
Around Thornapple River
Public land: USGS PAD-US
About this river
Thornapple River is a 62.1 mile river. Streamflow is measured at the USGS gauge Thornapple River near Hastings, MI (site 04117500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1945 to 2027
Thornapple River typically runs highest in March, at a median 530 cfs, and lowest in September, at 117 cfs. The highest flow on record for any single day is 6,590 cfs, in 1947.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 253 | 170 to 433 |
| February | 244 | 176 to 429 |
| March | 530 | 328 to 850 |
| April | 511 | 317 to 756 |
| May | 321 | 217 to 522 |
| June | 200 | 141 to 323 |
| July | 136 | 105 to 193 |
| August | 119 | 93 to 160 |
| September | 117 | 88 to 167 |
| October | 145 | 110 to 206 |
| November | 200 | 141 to 287 |
| December | 253 | 169 to 402 |
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 82 years of record. Statistics published by the US Geological Survey for Thornapple River near Hastings, MI (site 04117500). 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 Thornapple River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Charlton ParkThornapple LakePublic
- Thornapple LakeThornapple LakePublic
- Baker LakeBaker LakePublic
- Thornapple RiverThornapple RiverPublic
- Bassett LakeBassett LakePublic
- Carter LakeCarter LakePublic
- Thornapple RiverThornapple RiverPublic
- Leach LakeLeach LakePublic
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Thornapple 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.
