Columbia, MD · mostly separated · mixed
Grist Mill Trail
The Grist Mill Trail is a 5.0 mile long hiking and biking trail located in Patapsco Valley State Park in the Baltimore County side of the Patapsco Valley near Catonsville, Maryland. The paved pathway runs parallel to the Baltimore and Ohio Railroad to the north, and the Patapsco River to the south.
Live · updated
Today's verdict
Great day to get the road bike out.
- 48°F air — right in road cycling's sweet spot
Best for road cycling today
Route map
Orange marker is the start. Click the map to enable scroll-zoom — the polyline is approximate; use Ride with GPS or Komoot for turn-by-turn.
Atmosphere
- Air temp48°FClear
- Wind— mphNE
- Rain3%Next 24h: 0.00"
- Air qualityAQI 51PM2.5 · Moderate
- Humidity87%
Surface & daylight
- Pavementdrymixed surface
- Sunrise7:28 AM
- Sunset6:12 PM616 min remaining
Best time today
8 AM looks best — 50°F · 6 mph N wind · sunny. 9 AM is a close second (71/100).
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Wind on this route
Calm — wind is a non-factor today.
Currently 0 mph from the N (0°). Relative to this ride's overall bearing, a quartering headwind.
- Leg 1 Bearing 282° · crosswind 0.2 mi
- Leg 2 Bearing 286° · crosswind 0.2 mi
- Leg 3 Bearing 303° · quartering headwind 0.2 mi
- Leg 4 Bearing 328° · quartering headwind 0.2 mi
- Leg 5 Bearing 314° · quartering headwind 0.2 mi
- Leg 6 Bearing 320° · quartering headwind 0.2 mi
- Leg 7 Bearing 327° · quartering headwind 0.2 mi
- Leg 8 Bearing 313° · quartering headwind 0.2 mi
Elevation profile
Score breakdown
About this route
- Distance
- 2.5 mi one-way (double for round-trip)
- Elevation gain
- 266 ft
- Surface
- mixed
- Shape
- Out-and-back
- Traffic exposure
- mostly separated
- Activities
- road cycling · e bike
- Cycle network
- LCN · route GMT
- Operator
- Maryland Department of Natural Resources Maryland Park Service
- Start
39.2306, -76.7294- City hub
- Columbia, MD
- OSM
- relation 12290215
Description sourced from the Wikipedia summary.