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Middlesex County

Middlesex County

The Top 20 Lakes in Middlesex County

Looking to visit the best lakes in Middlesex County? After all, there’s nothing better than the serenity of the lakeshore — or a quick dip when the weather’s warm. So, browse our list of Middlesex County’s top lakes below as recommended by the komoot community, and experience more on your next adventure!

Last updated: November 19, 2025

Walden Pond

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Walden Pond in Concord, Massachusetts is a historic and natural landmark famously associated with author and philosopher Henry David Thoreau. In 1845, Thoreau lived in a small cabin by the …

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Spy Pond

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Spy Pond is a 103-acre freshwater kettle pond located in Arlington, Massachusetts. It formed thousands of years ago during the last Ice Age and is part of the Mystic River …

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North Reservoir

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North Reservoir in Middlesex Fells Reservation is one of three reservoirs in the area, used as a source of drinking water. While access to swimming in the reservoirs is restricted, …

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Lake Quannapowitt

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Lake Quannapowitt is a large, shallow lake at the north end of the town of Wakefield. It covers 254 acres and is about 3.6 miles around. This lake is emptied …

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Cochituate Rail Trail

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Perfectly paved rail trail connecting Natick and Saxonville. The trail leads along Lake Cochituate and offers quiet nature and even some nice views.

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Fresh Pond Bikeway

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Fresh Pond is a lovely reservoir in park in Cambridge. The pond has a far-reaching history. Native Americans fished here for thousands of years before it was used by colonists …

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Nathaniel Allen Recreation Area Lake

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The Nathaniel Allen Recreation Area is located at 25 Ledge Rock Way in Acton . The park is open year-round from sunrise to sunset and staffed seasonally from Memorial Day weekend through late August.

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Alewife Brook Reservation

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Very close to the city, yet it feels like you're in the middle of the countryside. A visit or stop is definitely worthwhile.

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Heart Pond

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Heart Pond is a freshwater kettle pond in Chelmsford, but borders the town of Westford. This is a popular swimming spot in the summer and a great place to pause …

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Heard Pond and Pelham Island Road

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Pelham Island Road runs between Sudbury and Wayland. It skirts the 85 acre Heard Pond, which is surrounded by the US Fish and Wildlife Great Meadows National Wildlife Refuge.

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Other adventures in Middlesex County

Bay Circuit Trail and Greenway — Walking the Emerald Necklace

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Bay Circuit Trail & Greenway — Pedal Boston’s Greenbelt

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Most popular routes in Middlesex County

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Hiking in Middlesex County

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Gravel biking in Middlesex County

Waterfall hikes in Middlesex County

Most popular attractions in Middlesex County

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Find the best lakes in Middlesex County per region:

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Still not found your perfect lake in Middlesex County? Check out the guides of these regions to see even more beautiful places.

Essex County Barnstable County Norfolk County Berkshire County Worcester County Plymouth County Suffolk County Franklin County Hampshire County Hampden County Dukes County Bristol County

The Top 20 Lakes in Middlesex County

Walden Pond

Spy Pond

North Reservoir

Lake Quannapowitt

Cochituate Rail Trail

Fresh Pond Bikeway

Nathaniel Allen Recreation Area Lake

Alewife Brook Reservation

Heart Pond

Heard Pond and Pelham Island Road

Other adventures in Middlesex County

Most popular routes in Middlesex County

Most popular attractions in Middlesex County

Get inspired with the komoot mobile app

Didn’t find what you were looking for?

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