loch-raven · MD
Merryman's Mill Upper Trail
Live · updated
Today
Marginal conditions for trail running.
Today's best: trail running
Conditions
Score by activity
Hiking
Marginal conditions for hiking.
Trail running
Marginal conditions for trail running.
Dog walking
Marginal conditions for dog walking.
Score breakdown
- − 82°F air — Above trail running's comfort zone (28–78°F)
- ✓ Trail: prime — No meaningful rain in the last 48 hours. Trail surface is dry and tacky — prime traction.
- − 41 min of daylight — You need at least 94 min with margin. Bring a headlamp or start tomorrow.
Trail facts
- Distance
- 3.48 mi
- Elevation gain
- 983 ft
- Surface
- gravel
- Difficulty
- easy
Trailhead
Coordinates
39.4645, -76.5915 — MD.
Park
Part of loch-raven.
Peak nymphal tick activity — check yourself within 2 hours of leaving the trail.
Nearby Trails
Frequently Asked
How long is Merryman's Mill Upper Trail?
Merryman's Mill Upper Trail is a 3.48-mile route with 983 feet of elevation gain — easy — gentle grades, generally suitable for families and beginners with normal fitness. 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 Merryman's Mill Upper Trail?
Merryman's Mill Upper Trail is crushed gravel or compacted aggregate — drains quickly, stays passable in wet weather. Today's mud rating, derived from recent precipitation and the surface type, is shown in the conditions panel above.
Who manages Merryman's Mill Upper Trail, and where do closure alerts come from?
Merryman's Mill Upper Trail is in loch-raven, 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.