Around here
Around Gwynns Falls
- Camp Meade RV ParkRV park · ★ 4.212.9 mi (opens in a new tab)
- Washington DC / Capitol KOA HolidayRV park · ★ 4.013.2 mi (opens in a new tab)
- MWR Recreational Lodging - Suites at USNA, Cottages at Greenbury Point, and Campground at NSA AnnapolisRV park · ★ 4.720.4 mi (opens in a new tab)
- Cherry Hill ParkRV park · ★ 4.823.6 mi (opens in a new tab)
- Patuxent Research RefugeRecreation area18.7 mi (opens in a new tab)
- Chesapeake Bay Maryland National Estuarine Research ReserveRecreation area20 mi (opens in a new tab)
- Captain John Smith Chesapeake National Historic TrailRecreation area21.2 mi (opens in a new tab)
- Chesapeake BayRecreation area21.2 mi (opens in a new tab)
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Gwynns Falls is a 19.5 mile stream near Eastern Watersports Baltimore Peninsula Rentals in Maryland. Streamflow is measured at the USGS gauge Gwynns Falls at Washington Blvd at Baltimore, MD (site 01589352). The National Hydrography Dataset places it at stream order 4. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1999 to 2026
Gwynns Falls typically runs highest in March, at a median 65 cfs, and lowest in September, at 28 cfs. The highest flow on record for any single day is 5,740 cfs, in 2014.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 51 | 39 to 76 |
| February | 59 | 43 to 99 |
| March | 65 | 46 to 104 |
| April | 61 | 46 to 84 |
| May | 54 | 40 to 93 |
| June | 46 | 32 to 74 |
| July | 39 | 28 to 75 |
| August | 33 | 23 to 60 |
| September | 28 | 20 to 56 |
| October | 31 | 23 to 54 |
| November | 36 | 28 to 63 |
| December | 49 | 32 to 86 |
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 27 years of record. Statistics published by the US Geological Survey for Gwynns Falls at Washington Blvd at Baltimore, MD (site 01589352). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
One mapped launch sits in the mapped area of Gwynns Falls. Ramp data comes from the USGS national boat-ramp inventory.
- Broening ParkMiddle Branch Patapsco RiverPublic
Made to print
Put Gwynns Falls 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 Gwynns Falls's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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