Downtown Portsmouth to River Road loop via Main Street Causeway
Downtown Portsmouth to River Road loop via Main Street Causeway
3.0
(19)
56
riders
01:02
26.3km
120m
Road cycling
This easy 16.4-mile road cycling loop from Downtown Portsmouth offers scenic waterfront views along the Main Street Causeway and River Road.
Last updated: February 26, 2026
Tips
Includes movable bridges
Check opening times.
After 867 m for 86 m
After 25.7 km for 86 m
Waypoints
Start point
Bus stop
Get Directions
30 m
Highlight • Settlement
Tip by
3.86 km
Highlight • Viewpoint
Tip by
11.1 km
Highlight (Segment) • Viewpoint
Tip by
26.3 km
End point
Bus stop
Way Types & Surfaces
Way Types
17.6 km
5.77 km
2.51 km
413 m
< 100 m
Surfaces
26.4 km
< 100 m
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Elevation
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Weather
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Today
Sunday 31 May
20°C
3°C
72 %
Additional weather tips
Max wind speed: 13.0 km/h
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This route was planned by komoot.
This cycling loop is designed to be completed in approximately 1 hour and 2 minutes. The total distance is about 26.3 kilometers (16.3 miles).
Yes, this route is considered an easy road ride and is suitable for cyclists of any fitness level. It features mostly well-paved surfaces and minimal elevation changes, making it very accessible.
The route offers several scenic points. You'll pass through Downtown Portsmouth, and enjoy a View of Piscataqua River Bridge and Great Cove Boat Club from Maine Street Causeway. Further along, you'll find a View of the Piscataqua River from River Road. The Main Street Causeway itself suggests picturesque waterfront vistas.
While specific parking details for the Main Street Causeway are not provided, accessing the route from Downtown Portsmouth is a common starting point. Parking options would typically be available within the downtown area.
This is a road cycling route, so while dogs are generally not permitted to run alongside cyclists, you may be able to bring a dog in a bike trailer. Always ensure your dog is safe and comfortable, and check local regulations regarding pets in public areas.
Portsmouth's cycling environment is enjoyable across multiple seasons. Given its easy terrain and coastal views, spring, summer, and fall generally offer the most pleasant weather for cycling. Always check local weather conditions before heading out.
No, there are no specific permits or fees required to cycle the Downtown Portsmouth to River Road loop via Main Street Causeway. It is a publicly accessible road cycling route.
The terrain is characterized by mostly well-paved surfaces, making for an easy and comfortable ride. There are minimal elevation changes, with a total elevation gain of about 120 meters (394 feet) over the entire loop.
Yes, this route intersects with several other paths. Notably, it covers a significant portion of the Eastern Trail Section 1 (95%) and also includes sections of 1 (Maine) (41%) and the East Coast Greenway (ME) (41%). Smaller sections of 1 (New Hampshire) (7%), East Coast Greenway (NH) (7%), Douglas Memorial Woods (4%), Penhallow Lane (3%), and Old Road Right-of-Way (2%) are also part of the loop.
Given its 'easy' difficulty grade, mostly paved surfaces, and minimal elevation, this route is generally suitable for families. However, as it is a road cycling route, families should be comfortable with cycling on roads and be aware of traffic conditions.
No, this route is classified as 'easy' with only a modest elevation gain of approximately 120 meters (394 feet) over its entire length. There are no significant or challenging climbs, making it a very accessible ride.