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Routes
Bike touring routes & trails
United States
Massachusetts
Middlesex County
Waltham

Charles River Greenway Loop

Moderate

4.8

(4699)

17,462

riders

Charles River Greenway Loop

02:16

37.6km

70m

Cycling

Embark on the Charles River Greenway Loop for a moderate touring cycling experience that spans 23.4 miles (37.6 km) with a gentle elevation gain of 244 feet (74 metres). This route, estimated to take 2 hours and 15 minutes, offers continuous river views and passes iconic landmarks like the Longfellow…

Last updated: April 23, 2026

Tips

Includes a segment in which cycling is not permitted

After 18.6 km for 228 m

Waypoints

A

Start point

Parking

Get Directions

1

2.87 km

Charles River Greenway

Highlight • Cycleway

​The Charles River Greenway, aka the Charles River Bike Path, runs 23 miles from the Museum of Science in Boston to Norumbega Park in Newton. The path hugs the Charles …

Tip by

2

5.90 km

Watertown Dock, located on the Charles River near the Dr. Paul Dudley White Path, offers access via stairs or ramp to this wooden dock right on the water. This little …

Tip by

3

11.5 km

Sir Richard’s Landing

Highlight • Historical Site

​​Sir Richard's Landing, now known as Gerry's Landing, is where, in June 1630, Sir Richard Saltonstall led a group of English settlers up the Charles River to build one of …

Tip by

4

17.2 km

Skyline of Boston

Highlight • Viewpoint

Cycling along the Charles River Marina you get some of the best views of the skyline of Boston – and some of the smoothest cycling trails as well.

Tip by

5

18.2 km

Longfellow Bridge

Highlight • Bridge

Do you know what the bridge is called here? Salt and Pepper Bridge! If you look at the architecture of the middle towers, you can understand why this is so.

Translated by Google •

Tip by

6

19.6 km

Storrow Lagoon

Highlight • River

Storrow Lagoon, a branch of the Charles River, is often speckled in water lilies, making a beautiful spot to explore on foot, by bike, or in a kayak. Bridges offer …

Tip by

7

25.1 km

Dr. Paul Dudley White Path

Highlight (Segment) • Cycleway

Well maintained and perfectly smooth paved cycling path all along Charles River. For the whole length the cycling path is off the regular roads and therefore suitable for kids and families.

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B

37.6 km

End point

Parking

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Way Types & Surfaces

Way Types

32.6 km

1.96 km

1.29 km

1.14 km

422 m

114 m

< 100 m

Surfaces

23.8 km

9.75 km

2.65 km

1.25 km

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Today

Thursday 7 May

19°C

8°C

0 %

Additional weather tips

Max wind speed: 22.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it take to cycle the Waltham to the Longfellow Bridge loop?

The loop is approximately 37.6 km (23.4 miles) long and typically takes around 2 hours and 15 minutes to complete by touring bicycle. This duration can vary based on your cycling speed and how often you stop to enjoy the scenery.

What is the terrain like on this cycling route?

The route is predominantly paved, featuring asphalt and concrete surfaces, making for a smooth ride. Some sections, particularly on the northern side of the river, may have packed dirt surfaces, but these are generally smooth and level. The trail is largely flat with minimal elevation gain, contributing to its accessibility.

What landmarks and viewpoints will I see along the way?

You'll enjoy continuous views of the Charles River and the Boston skyline. Notable highlights include the Charles River Greenway, Watertown Dock on the Charles River, Sir Richard’s Landing, and the Skyline of Boston. You'll also cross the iconic Longfellow Bridge and ride along the Dr. Paul Dudley White Path, passing the Storrow Lagoon.

Is the Waltham to the Longfellow Bridge loop suitable for beginners?

Yes, the route is widely considered to be of easy to moderate difficulty, making it suitable for touring cyclists of varying skill levels, including beginners. Its flat profile and mostly paved surfaces contribute to its ease of use. However, be mindful of other trail users, especially in busier sections.

What is the best time of year to cycle this route?

The best time to cycle this route is during pleasant weather, typically spring through fall. However, be aware that the path can become quite busy, especially near urban centers and on weekends, with a mix of walkers and other cyclists. The eastern side, closer to Boston, experiences heavy usage.

Where can I park to access the Charles River Greenway in Waltham?

While specific parking lots aren't detailed, you can generally find public parking in Waltham near access points to the Charles River. Look for municipal lots or street parking in areas close to the riverfront to begin your ride.

Does this route connect with other well-known paths?

Yes, this route is a significant part of the broader Charles River Bike Path and incorporates sections of the East Coast Greenway (MA) and the Dr. Paul Dudley White Path. It also briefly touches upon the Charles River Path.

Is the Waltham to the Longfellow Bridge loop dog-friendly?

The Charles River Greenway and Dr. Paul Dudley White Path are generally multi-use paths. While dogs are often permitted, they must be kept on a leash and owners are expected to clean up after them. Always check local signage for specific regulations.

Do I need a permit or pay an entrance fee to use the trail?

No, there are no permits or entrance fees required to access and cycle on the Charles River Greenway or the Dr. Paul Dudley White Path. These are public multi-use paths.

Are there any cafes or places to stop for refreshments along the route?

Yes, especially as you get closer to the urban centers of Watertown, Cambridge, and Boston, you'll find various cafes, restaurants, and shops. In Waltham, you can also find options near the river. Water fountains are available in some sections, though often seasonally.

Is this route family-friendly?

Yes, due to its mostly flat and paved terrain, the route is very family-friendly. It offers a safe, car-free environment for recreational cycling. Just be mindful of crowds, especially on the eastern sections, and ensure children are comfortable sharing the path with other users.

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4.9

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Dr. Paul Dudley White Path

01:31h

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30m

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