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Routes
United States
Massachusetts
Middlesex County
Waltham

Western Greenway Loop

Hard

3.2

(18)

82

riders

Western Greenway Loop

01:15

14.2km

120m

Gravel riding

The Western Greenway Loop offers a surprisingly wild gravel biking experience, weaving through a "green necklace" of conservation areas despite its urban surroundings. You'll navigate varied terrain, from smooth dirt and boardwalks to rocky, root-filled singletrack, passing through diverse ecosystems like cattail marshes and mature oak-hickory forests, with views of Chesterbrook Woods. This 8.8-mile (14.2 km) route features 392 feet (119 metres) of elevation gain, providing a dynamic and engaging ride.

Rated as difficult for gravel biking, this trail is best suited for riders comfortable with technical sections that might require careful handling or even walking your bike in places. The estimated duration is 1 hour and 15 minutes, so plan accordingly for a ride that demands focus and skill. While specific parking details aren't highlighted, be ready for a challenging ride that rewards you with natural beauty.

What makes the Western Greenway Loop truly special is its role in connecting vital green spaces like Alewife Brook Reservation and Beaver Brook North Reservation, offering a unique natural escape. It also links up with other significant trails such as the Mass Central Rail Trail, providing options for extended adventures. This trail is an amazing resource for urban adventurers seeking a natural escape and a good workout on their gravel bike.

Last updated: June 9, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Chesterbrook Woods

Storer Conservation Land

Elsie Turner Park

Beaver Brook North Reservation

Rock Meadow Conservation Area

Waypoints

A

Start point

Parking

Get Directions

1

533 m

Wetland at Beaver Brook North Reservation

Highlight • Natural

Beautiful and peaceful bike paths

Tip by

2

5.84 km

Along the scenic Western Greenway Trail you will cross a long section of narrow boardwalk through the woods and wetlands. This is a pretty part of the trail and a great spot to look for birds and other wildlife. Be aware, however, that it is quite narrow and there are no railings, so it is recommended to walk your bike, especially if there are hikers or other users on the boardwalk.

Tip by

3

8.92 km

Western Greenway Trail

Highlight (Segment) • Trail

Western Greenway is a fun urban singletrack. It starts as fairly simple and becomes mildly technical by the end. When you finish Western Greenway just ride the same trail back or take the road back to the start.

Tip by

4

10.7 km

Chesterbrook Woods

Highlight • Forest

Chesterbrook Woods is crisscrossed by a network of trails that are popular for hiking, running, and mountain biking. The trails range in difficulty from easy to challenging, and there is a trail to suit everyone's abilities. The most popular trail is the Hemlock Trail, which is a 1.5-mile loop trail that winds through the heart of the forest.

Tip by

B

14.2 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

7.24 km

2.62 km

2.24 km

1.99 km

< 100 m

Surfaces

9.30 km

2.96 km

997 m

916 m

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Elevation

Elevation

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

Highest point (90 m)

Lowest point (30 m)

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Weather

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Wednesday 19 August

31°C

21°C

-- %

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Frequently Asked Questions

Where can I park to access the Western Greenway Loop?

The Western Greenway Loop connects several conservation areas across Waltham, Lexington, and Belmont, Massachusetts. You can find parking at various access points, such as near the Wetland at Beaver Brook North Reservation or other conservation areas like Rock Meadow and Lone Tree Hill. Specific parking availability can vary, so it's always a good idea to check local park websites before your visit.

What is the terrain like for gravel biking on this route?

The terrain on the Western Greenway Loop is quite diverse. You'll encounter a mix of well-built singletrack, old carriage roads, and sections with loose gravel. Expect roots, rocks, and small climbs and descents, especially in the western portions. There are also four wooden bridges and boardwalks, including the Boardwalk on the Western Greenway Trail, crossing streams and wetlands. Some parts are well-packed, while others are more technical.

Is the Western Greenway Loop suitable for beginners?

The difficulty of the Western Greenway Loop for gravel biking is mixed. While some sections are considered easy singletrack and might be manageable with 32mm tires, other parts are more challenging, featuring significant rocks and roots. It has moderate inclines and uneven terrain. Beginners should be prepared for some technical sections and potentially dismounting their bikes in more difficult areas. It's definitely not suitable for traditional street bikes.

Are dogs allowed on the trail?

Generally, dogs are allowed on the Western Greenway Loop, as it passes through several public conservation areas. However, leash laws and specific regulations can vary by municipality and conservation land. It's best to keep your dog on a leash and always clean up after them to ensure a pleasant experience for all trail users and to protect local wildlife.

What is the best time of year to ride the Western Greenway Loop?

The Western Greenway Loop can be enjoyed year-round, but spring and fall often offer the most pleasant conditions with cooler temperatures and vibrant foliage. Be aware that some sections can become wet and muddy after rain, especially in spring. Winter riding is possible, but you should be prepared for potentially icy or snowy conditions, particularly on the more technical or shaded segments.

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

No, typically there are no permits or entrance fees required to access the Western Greenway Loop or the conservation areas it traverses. These areas are generally open to the public for recreational use. However, always respect posted signage and local regulations within the various parks and conservation lands along the route.

What notable natural features or landmarks will I see?

The route is a 'green necklace' of natural spaces. You'll pass through diverse habitats like cattail marshes, red maple swamps, oak-hickory forests, and open meadows. Highlights include the Wetland at Beaver Brook North Reservation, the Boardwalk on the Western Greenway Trail, and the Chesterbrook Woods. You might also spot Chester Brook, small ponds, and the historic Stonehurst country house.

Does the trail connect to other paths or routes?

Yes, the Western Greenway Loop is designed to connect various parks and conservation lands. It integrates with sections of official trails such as the Western Greenway, Carriage Road, Hemlock Trail, Cart Road, Pine Springs Trail, and Storer Path. It also offers opportunities to link with other routes like the Charles River Path for longer, mixed-surface adventures.

What kind of bike is best suited for this trail?

While a gravel bike with robust tires (38mm or wider recommended) can handle much of the Western Greenway Loop, some riders find that a full-suspension mountain bike might be more enjoyable or suitable for the more technical, rocky, and rooty sections, especially in the western part of the trail. If you prefer a smoother ride through varied terrain, a mountain bike might be a better choice for certain segments.

Are there cafes or amenities near the Western Greenway Loop?

The Western Greenway Loop is situated within a developed urban and suburban environment, so while there aren't typically amenities directly on the trail, you'll find cafes, pubs, and other services in the nearby towns of Belmont, Waltham, and Lexington. You might need to detour slightly off the trail to access these facilities.

Is the Western Greenway Loop family-friendly?

Portions of the Western Greenway Loop can be family-friendly, particularly the less technical, well-packed gravel sections. However, due to varied terrain including roots, rocks, and some narrow, steep segments, it might be challenging for very young children or those on less capable bikes. Families with older children or those comfortable with varied off-road conditions will likely enjoy it more. Always assess the specific section before riding with children.

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