Susquehanna State Park · MD
Rock Run Trail
Yellow-blazed loop through the Rock Run Historic Area, passing the 1794 Rock Run Grist Mill, the Jersey Toll House and the Carter-Archer Mansion near the Susquehanna River.
Live · updated
Today
Skip the mountain biking plan today.
Today's best: mountain biking
Conditions
Score by activity
Hiking
Skip the hiking plan today.
Trail running
Skip the trail running plan today.
Mountain biking
Skip the mountain biking plan today.
Dog walking
Thunderstorms in today's forecast — dogs panic and trails become dangerous.
Score breakdown
- · 81°F air — Within comfort range, outside ideal
- − 17 mph wind — Gusty — bring a windbreaker
- − Thunderstorms — Get off exposed ridges before they arrive
- ✓ Trail: prime — 0.05" of rain in the last 48 hours. Trail surface is dry and tacky — prime traction.
Trail facts
- Distance
- 0.9 mi
- Elevation gain
- 217 ft
- Surface
- mixed
- Difficulty
- easy
Trailhead
Coordinates
39.6023, -76.1489 — MD.
Park
Part of Susquehanna State Park (official site →).
Peak nymphal tick activity — check yourself within 2 hours of leaving the trail.
Frequently Asked
How long is Rock Run Trail?
Rock Run Trail is a 0.9-mile route with 217 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 Rock Run Trail?
Rock Run Trail is mixed surface — sections of dirt, rock, and root that vary along the route. Today's mud rating, derived from recent precipitation and the surface type, is shown in the conditions panel above.
Who manages Rock Run Trail, and where do closure alerts come from?
Rock Run Trail is in Susquehanna 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.