Charles River Reservation

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Playground
Field
Parking
Cambridge, MA 02141
863 acres | 349 hectares

About Charles River Reservation

A Riverside Haven in the City

At 863 acres of both land and water, the Charles River Reservation is one of the more substantial green corridors you'll find woven through an urban area. It stretches for 20 miles along the Charles River from Boston to Watertown, Massachusetts, offering a genuine escape from city life without actually leaving the city.

Lower Basin vs. Upper Basin: Two Distinct Experiences

The reservation naturally divides into two different worlds. The Lower Basin includes the popular Charles River Esplanade and runs from the Charles River Dam up to the Watertown Dam. Here, you can find more manicured landscapes and city amenities - not surprising given its prime location between Boston and Cambridge.

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Head to the Upper Basin starting at Watertown Square, and you'll discover a more untamed side of the river, with wooded areas and gentle curves that make you forget you're still in the metro area.

The view eastward from the Boston University Bridge
The view eastward from the Boston University Bridge

A Park with Purpose

Back in the early 1900s, urban planners had a vision: give city dwellers access to nature without a lengthy commute. When they dammed the Charles in 1910, they transformed what used to be a tidal estuary into a freshwater basin, setting the stage for the gorgeous park system we enjoy today.

Modern tower blocks near the River Street Bridge
Modern tower blocks near the River Street Bridge

Getting Active Along the Water

One of the reservation's best features is its continuous pathway network, including the Dr. Paul Dudley White Bike Path that creates an 18-mile loop around the basin. If you're a serious cyclist, a casual walker, or a dedicated runner, there's plenty of room to move.

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The river itself beckons water enthusiasts too - kayakers, canoeists, and sailors are a common sight when the weather cooperates.

The Memorial Drive sidewalk alongside the river in late afternoon light
The Memorial Drive sidewalk alongside the river in late afternoon light

From Formal to Wild

The landscape shifts as you travel through the reservation. In some areas, you'll find meticulously maintained lawns and gardens, while in others, more natural settings provide crucial habitats for local wildlife. Don't miss landmarks like the Hatch Memorial Shell on the Esplanade (where concerts and events take place all year long) or the historic Watertown Dam.

A shaded bench offers a peaceful spot to enjoy riverside views
A shaded bench offers a peaceful spot to enjoy riverside views

Beyond Pretty Views

Beyond its recreational value, the Charles River Reservation has several important ecological functions. It provides green space in heavily developed urban areas, creates a pathway for wildlife to move through the city, helps control flooding, and contributes to improving the Charles River's water quality.

All Features & Facilities

Nature & Wildlife

Open Grassy AreaWalking TrailWildlife ViewingBike Trail

Water Features & Activities

Boat LaunchBoat RentalsFishingLakeRiver

Visitor Services

MemorialParking LotPaved PathsPlaygroundRestroomsVisitor Center

Food & Gathering

Picnic Area

Upcoming Events

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Rowing sculls glide along the Charles River

Rowing sculls glide along the Charles River

Photo: Tom Stohlman (CC BY-SA 2.0)
The river is so calm here that it almost looks like a lake

The river is so calm here that it almost looks like a lake

Photo: Chris Rycroft (CC BY 2.0)
The Harvard Business School campus visible through riverside foliage

The Harvard Business School campus visible through riverside foliage

Photo: Chris Rycroft (CC BY 2.0)
The view eastward from the Boston University Bridge

The view eastward from the Boston University Bridge

Photo: Chris Rycroft (CC BY 2.0)
Sunset bathes the Back Bay skyline in golden-purple light across the Charles

Sunset bathes the Back Bay skyline in golden-purple light across the Charles

Photo: Chris Rycroft (CC BY 2.0)
A shaded bench offers a peaceful spot to enjoy riverside views

A shaded bench offers a peaceful spot to enjoy riverside views

Photo: Chris Rycroft (CC BY 2.0)
An aerial view of the river curving between Cambridge and Boston neighborhoods

An aerial view of the river curving between Cambridge and Boston neighborhoods

Photo: cloud.shepherd (CC BY 2.0)
A kayaker paddling the tranquil waters of the river

A kayaker paddling the tranquil waters of the river

Photo: Chris Rycroft (CC BY 2.0)
Looking along the river with the John W. Weeks Footbridge in view

Looking along the river with the John W. Weeks Footbridge in view

Photo: Chris Rycroft (CC BY 2.0)
Rowers and sailboats dot the water with Boston's towers in the background

Rowers and sailboats dot the water with Boston's towers in the background

Photo: Chris Rycroft (CC BY 2.0)
Modern tower blocks near the River Street Bridge

Modern tower blocks near the River Street Bridge

Photo: Chris Rycroft (CC BY 2.0)
The Memorial Drive sidewalk alongside the river in late afternoon light

The Memorial Drive sidewalk alongside the river in late afternoon light

Photo: Chris Rycroft (CC BY 2.0)
The Eliot Bridge spans the Charles River under clear skies

The Eliot Bridge spans the Charles River under clear skies

Photo: Chris Rycroft (CC BY 2.0)

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Park Size

863 acres | 349 hectares

Opening Hours

Monday:6AM-10PM
Tuesday:6AM-10PM
Wednesday:6AM-10PM
Thursday:6AM-10PM
Friday:6AM-10PM
Saturday:6AM-10PM
Sunday:6AM-10PM

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