Patapsco Valley State Park · MD
Grist Mill Trail
Live · updated
Today
Workable day for mountain biking.
Today's best: mountain biking
Conditions
Score by activity
Hiking
Marginal conditions for hiking.
Trail running
Workable day for trail running.
Mountain biking
Workable day for mountain biking.
Dog walking
Marginal conditions for dog walking.
Score breakdown
- · 81°F air — Within comfort range, outside ideal
- ✓ Trail: prime — Paved/boardwalk surface — rainfall does not affect traction.
- − 41 min of daylight — You need at least 53 min with margin. Bring a headlamp or start tomorrow.
Trail facts
- Distance
- 2.51 mi
- Elevation gain
- 149 ft
- Surface
- paved
- Difficulty
- easy
Trailhead
Coordinates
39.2479, -76.7577 — MD.
Park
Part of Patapsco Valley State Park (official site →).
Peak nymphal tick activity — check yourself within 2 hours of leaving the trail.
Nearby Trails
Frequently Asked
How long is Grist Mill Trail?
Grist Mill Trail is a 2.51-mile route with 149 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 Grist Mill Trail?
Grist Mill Trail is paved (asphalt or concrete) — all-weather surface, accessible to wheelchairs and strollers in most places. Today's mud rating, derived from recent precipitation and the surface type, is shown in the conditions panel above.
Who manages Grist Mill Trail, and where do closure alerts come from?
Grist Mill Trail is in Patapsco Valley State Park, 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.