Rockville, MD · separated · paved
Great Seneca Highway Bicycle Route
4.4-mile paved route with 171 ft of elevation gain, signed as part of the regional cycle network, route reference “119”, separated from motor traffic.
Live · updated
Today's verdict
Workable day to get the road bike out.
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 temp45°FClear
- Wind— mphNE
- Rain3%Next 24h: 0.00"
- Air qualityAQI 52PM2.5 · Moderate
- Humidity100%
Surface & daylight
- Pavementdrypaved surface
- Sunrise7:30 AM
- Sunset6:14 PM618 min remaining
Best time today
9 AM looks best — 51°F · 5 mph NE wind · sunny. 10 AM is a close second (71/100).
Patchy Fog
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Mostly Sunny
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 304° · quartering headwind 0.4 mi
- Leg 2 Bearing 282° · crosswind 0.4 mi
- Leg 3 Bearing 273° · crosswind 0.4 mi
- Leg 4 Bearing 312° · quartering headwind 0.4 mi
- Leg 5 Bearing 327° · quartering headwind 0.4 mi
- Leg 6 Bearing 334° · headwind 0.4 mi
- Leg 7 Bearing 18° · headwind 0.4 mi
- Leg 8 Bearing 15° · headwind 0.4 mi
Elevation profile
Score breakdown
Advisories & nearby alerts
About this route
- Distance
- 4.4 mi one-way (double for round-trip)
- Elevation gain
- 171 ft
- Surface
- paved
- Shape
- Out-and-back
- Traffic exposure
- separated
- Activities
- road cycling · e bike · commuting · bike share-touring
- Cycle network
- RCN · route 119
- Start
39.1334, -77.2450- City hub
- Rockville, MD
- OSM
- relation 17202907
Description sourced from OpenStreetMap relation tags and member-way geometry.