Great Falls Park · Fairfax County, VA

Great Falls VA — River Trail

Rim trail along Mather Gorge with three overlooks of the Potomac cataracts. ~1.5 mi one-way from the visitor center to Sandy Landing / Difficult Run; rocky underfoot, not runnable at speed.

Live · updated

Park closure — trail is inaccessible today.

Primary activity: hiking

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Trail: prime AQI 33
Air temp
45°F
Clear
Wind
2 to 7 mph
NE
Rain
0%
Last 48h: 0.00″
Trail
prime
rocky surface
Sunset
7:57 PM
1105 min daylight left
Moon
Waxing Gibbous
77% illuminated
Air quality
AQI 33
O3 · Good

Hiking

Ideal 48–75°F

Park closure — trail is inaccessible today.

Dog walking

Ideal 40–72°F

Park closure — trail is inaccessible today.

  • · 45°F airWithin comfort range, outside ideal
  • AQI 33Clean air
  • Trail: primeNo meaningful rain in the last 48 hours. Trail surface is dry and tacky — prime traction.
Distance
3 mi round-trip
Elevation gain
200 ft
Surface
rocky
Difficulty
moderate
Typical crowds
very heavy
Dogs
Leash required

Parking

Trailhead lot · day-use fee. 9 AM on weekends.

Facilities

Bathrooms , drinking water. $20/vehicle 7-day pass; ATB pass accepted.

Coordinates

38.9981, -77.2541 — Fairfax County, VA.

Temporary Closures of Park Entrance Possible if Parking Lots Become Full

If parking lots become full, there will be a temporary closure of the park entrance at Georgetown Pike & Old Dominion Drive. The park entrance will re-open as soon as space becomes available. For updated information about parking, call Visitor Center at 703-757-3101