Around here
Around Rock Creek
- George Washington Memorial ParkwayRecreation area9.3 mi (opens in a new tab)
- Chesapeake & Ohio Canal National Historical ParkRecreation area9.6 mi (opens in a new tab)
- Great Falls Tavern Visitor CenterVisitor center9.6 mi (opens in a new tab)
- Great Falls Tavern Visitor Center - Chesapeake and Ohio Canal National Historical ParkVisitor center9.6 mi (opens in a new tab)
Data Source: Recreation.gov · Source: USGS GNIS · Source: National Park Service. No claim to original U.S. Government works. · Public land: USGS PAD-US
About this river
Rock Creek is a 26.1 mile river near Adventures Unbound: Fletcher's Cove Boathouse. Streamflow is measured at USGS gauge site 01648000. The National Hydrography Dataset places it at stream order 5. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1930 to 2026
Rock Creek typically runs highest in March, at a median 63 cfs, and lowest in September, at 17 cfs. The highest flow on record for any single day is 5,000 cfs, in 1972.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 46 | 30 to 74 |
| February | 54 | 37 to 89 |
| March | 63 | 41 to 93 |
| April | 57 | 41 to 88 |
| May | 51 | 34 to 84 |
| June | 36 | 24 to 60 |
| July | 27 | 16 to 49 |
| August | 23 | 13 to 43 |
| September | 17 | 10 to 34 |
| October | 18 | 12 to 36 |
| November | 27 | 18 to 47 |
| December | 37 | 24 to 68 |
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 97 years of record. Statistics published by the US Geological Survey for USGS gauge 01648000 (site 01648000). 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 Rock Creek. Ramp data comes from the USGS national boat-ramp inventory.
- Georgetown Visitor CenterC&O CanalPublic
- Fletchers CovePotomac RiverRestricted
Made to print
Put Rock Creek 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 Rock Creek'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.
