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
Workable day to get the road bike out.
- 66°F air — right in road cycling's sweet spot
- 17 mph wind — noticeable — pacing will shift with the wind.
Best for e-bike riding 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 temp66°FClear
- Wind17 mphSW
- Rain1%Next 24h: 0.00"
- Humidity88%
Surface & daylight
- Pavementdrymixed surface
- Sunrise6:42 AM
- Sunset7:26 PM740 min remaining
Best time today
8 AM looks best — 68°F · 6 mph SW wind · mostly sunny. 9 AM is a close second (74/100).
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Wind on this route
17 mph crosswind — expect a 17 mph quartering headwind on the return.
Currently 17 mph from the SW (220°). Relative to this ride's overall bearing, a crosswind.
- Leg 1 Bearing 282° · quartering headwind 0.2 mi
- Leg 2 Bearing 286° · quartering headwind 0.2 mi
- Leg 3 Bearing 303° · crosswind 0.2 mi
- Leg 4 Bearing 328° · crosswind 0.2 mi
- Leg 5 Bearing 314° · crosswind 0.2 mi
- Leg 6 Bearing 320° · crosswind 0.2 mi
- Leg 7 Bearing 327° · crosswind 0.2 mi
- Leg 8 Bearing 313° · crosswind 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.