Columbia, MD · mostly separated · mixed

Grist Mill Trail

2.5 mi Out-and-back 266 ft gain

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 Jul 12, 11:08 AM ET

Today's verdict

Skip today — the bike can wait.

33 mph wind — gusty and hazardous on exposed bridges and overpasses.

28 /100

skip

28 Road

55 E-bike

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 temp

77°F

Cloudy
Wind

33 mph

E
Rain

11%

Next 24h: 0.00"
Humidity

83%

Surface & daylight

Pavement

dry

mixed surface
Sunrise

5:50 AM
Sunset

8:34 PM

566 min remaining

Best time today

12 PM looks best — 80°F · 8 mph E wind · mostly cloudy. 7 PM is a close second (61/100).

12 PM Best

80°

Mostly Cloudy

8 mph E

1 PM

82°

Partly Sunny

9 mph E

2 PM

83°

Partly Sunny

9 mph E

3 PM

84°

Mostly Cloudy

10 mph E

4 PM

85°

Mostly Cloudy

10 mph E

5 PM

85°

Mostly Cloudy

10 mph E

6 PM

82°

Mostly Cloudy

9 mph E

7 PM

80°

Mostly Cloudy

8 mph E

8 PM

78°

Mostly Cloudy

7 mph E

Wind on this route

33 mph tailwind outbound — expect a 33 mph headwind on the return.

Currently 33 mph from the E (80°). Relative to this ride's overall bearing, a quartering tailwind.

Leg 1 Bearing 282° · tailwind 0.2 mi
Leg 2 Bearing 286° · tailwind 0.2 mi
Leg 3 Bearing 303° · quartering tailwind 0.2 mi
Leg 4 Bearing 328° · quartering tailwind 0.2 mi
Leg 5 Bearing 314° · quartering tailwind 0.2 mi
Leg 6 Bearing 320° · quartering tailwind 0.2 mi
Leg 7 Bearing 327° · quartering tailwind 0.2 mi
Leg 8 Bearing 313° · quartering tailwind 0.2 mi

Elevation profile

477 ft gain 408 ft loss Max 217' Min 46' 2.4 mi sampled

Score breakdown

77°F air Within comfort range, outside ideal

-3

−

33 mph wind Gusty and hazardous on exposed bridges and overpasses.

-36

Quartering tailwind 33 mph tailwind outbound — expect a 33 mph headwind on the return.

Pavement: dry Clean dry pavement — maximum grip.

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.