About this river
Matanuska River is a 38.2 mile river near Adventures by True North AK in Alaska. Streamflow is measured at the USGS gauge Matanuska R at Palmer AK (site 15284000). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1949 to 2026
Matanuska River typically runs highest in July, at a median 12,800 cfs, and lowest in March, at 523 cfs. The highest flow on record for any single day is 40,700 cfs, in 1971.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 650 | 562 to 750 | |
| February | 580 | 500 to 650 | |
| March | 523 | 460 to 600 | |
| April | 630 | 508 to 735 | |
| May | 2,060 | 1,470 to 2,800 | |
| June | 9,605 | 7,120 to 13,150 | |
| July | 12,800 | 10,600 to 14,800 | |
| August | 9,810 | 8,130 to 11,400 | |
| September | 4,330 | 3,465 to 6,220 | |
| October | 1,910 | 1,600 to 2,340 | |
| November | 987 | 813 to 1,190 | |
| December | 759 | 623 to 880 |
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 52 years of record. Statistics published by the US Geological Survey for Matanuska R at Palmer AK (site 15284000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
2 mapped launches sit in the mapped area of Matanuska River, all of them public access. Ramp data comes from the USGS national boat-ramp inventory.
- Matanuska LakeMatanuska LakePublic
- Finger LakeFinger LakePublic
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