Updated
Four Mile Run
River
Live flow only — judge the water in person
Use cautionLive flow only — judge the water in person: live streamflow is available but no water-temperature sensor is nearby.
- Streamflow 3 ft³/s
- Gage height 4.08 ft
Live, provisional data from USGS gauge FOURMILE RUN AT ALEXANDRIA, VA (2.2 mi away), as of Oct 29, 3:20 AM gauge-local time.
Why, sources & official advisories
- Live streamflow is available but no water-temperature sensor is nearby. — USGS gauge 01652500, as of Oct 29, 3:20 AM gauge-local time
- Flow is below the 25th percentile for Oct 29 (median 5 ft³/s over 52 years). — USGS daily streamflow statistics, as of Oct 29, 3:20 AM gauge-local time
No official beach-advisory feed for Virginia yet — follow posted signs and local guidance.
stream in Virginia
Interactive map not available
What’s swimming here?
Fish recorded within 2 km: Northern Snakehead, Quillback and Banded Killifish.
3 fish species in 4 public records within 2 km of Four Mile Run since 2000.
- 2 records · 2009
- Quillback Carpiodes cyprinus1 record · 2020
- Banded Killifish Fundulus diaphanus1 record · 2018
Non-native: the USGS Nonindigenous Aquatic Species database lists the species as introduced to the Middle Potomac-Anacostia-Occoquan watershed.
Caught one? Make it a card.Snap your catch in Reelio and collect every species. Free on iPhone.Data: GBIF.org occurrence records, CC0 and CC BY only (iNaturalist research-grade observations, GBIF dataset). Common names: USGS NAS; GBIF.org (The IUCN Red List of Threatened Species). Non-native flags: USGS NAS. These are sightings and specimens people reported, not a survey: a fish missing from the list may still live here.
Boat ramps and fishing access near here
2 boat ramps mapped at or near Four Mile Run
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Frequently asked questions
- Where is Four Mile Run?
- Four Mile Run is a river in Virginia.
- Can you swim at Four Mile Run?
- Live flow only — judge the water in person: live streamflow is available but no water-temperature sensor is nearby. Checked October 29, 2026.
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Location & Contact
Virginia
🌊 Best times & visiting tips
- ›Check water levels and current conditions before visiting
- ›Wear life jackets when on the water
- ›Be aware of rapids and potential hazards
- ›Respect private property along riverbanks
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