bull-run-occoquan · VA
Black Loop Trail
Live · updated
Today
Marginal conditions for mountain biking.
Today's best: mountain biking
Conditions
Score by activity
Hiking
Skip the hiking plan today.
Trail running
Marginal conditions for trail running.
Mountain biking
Marginal conditions for mountain biking.
Score breakdown
- · 82°F air — Within comfort range, outside ideal
- ✓ Trail: prime — No meaningful rain in the last 48 hours. Trail surface is dry and tacky — prime traction.
- − 42 min of daylight — You need at least 113 min with margin. Bring a headlamp or start tomorrow.
Trail facts
- Distance
- 6.4 mi
- Elevation gain
- 1180 ft
- Surface
- dirt
Trailhead
Coordinates
38.7140, -77.3173 — VA.
Park
Part of bull-run-occoquan.
Peak nymphal tick activity — check yourself within 2 hours of leaving the trail.
Nearby Trails
Frequently Asked
How long is Black Loop Trail?
Black Loop Trail is a 6.4-mile route with 1180 feet of elevation gain. The trail facts panel on this page lists distance, surface, and access tags as they appear in OpenStreetMap.
What's the trail surface like at Black Loop Trail?
Black Loop Trail is natural dirt singletrack — soft underfoot, holds water, slow to dry after rain. Today's mud rating, derived from recent precipitation and the surface type, is shown in the conditions panel above.
Who manages Black Loop Trail, and where do closure alerts come from?
Black Loop Trail is in bull-run-occoquan, which is managed by the managing agency. Closure and advisory data on this page comes from the agency. Always confirm against the park's own page before driving — emergency closures can post faster than scrapers refresh.